ARRI ALEXA Mini LF SUP 7.2 How to use

R E L E A S E N O T E S
ALEXA Mini LF SUP 7.2
Software Update Package (SUP) Mini LF 7.2
February 15, 2023

ALEXA Mini LF SUP 7.2 Release Notes Page 2 of 9
All data subject to change without further notice.
Table of Contents
A. Introduction...............................................................................................................................3
ALEXA Mini LF SUP 7.2 Changes Overview .............................................................................3
Updating Camera, Viewfinder and Lens Mount .....................................................................3
Updating LBUS Accessories.....................................................................................................4
Downdating.............................................................................................................................4
Codex Compact Drive 1TB Update..........................................................................................4
Software Compatibility Notes and Sample Footage...............................................................4
Registration.............................................................................................................................4
B. New Features and Changes.........................................................................................................5
WiFi improvements.................................................................................................................5
Web Remote improvements ..................................................................................................6
Camera Access Protocol (CAP) additions and bugfixes ..........................................................6
Others .....................................................................................................................................6
C. Known Issues –Software ............................................................................................................7
Lenses......................................................................................................................................7
Monitoring ..............................................................................................................................7
Playback ..................................................................................................................................7
Post .........................................................................................................................................7
Remote Control.......................................................................................................................7
Sync.........................................................................................................................................8
Usability ..................................................................................................................................8
Updating..................................................................................................................................8
D. Known Issues –Mechanical Accessories ......................................................................................8
E. Update Procedure.......................................................................................................................9
Where to download the new Software Update Package (SUP) .............................................9
Camera Update Procedure .....................................................................................................9

ALEXA Mini LF SUP 7.2 Release Notes Page 3 of 9
All data subject to change without further notice.
A. Introduction
This document describes changes for ALEXA Mini LF cameras with the Software Update Package (SUP) Mini LF 7.2 in
contrast to ALEXA Mini LF SUP 7.1.2. We recommend that you take your time to go through these release notes, the
known issues section of this document and the user manual before operating the camera.
For more information on the camera, please visit www.arri.com/alexaminilf.
For frequently asked questions and their answers please visit the ALEXA Mini LF FAQs.
ALEXA Mini LF SUP 7.2 Changes Overview
•WiFi improvements
oFirmware update of WiFi board
oAutomatic channel selection for WiFi Host Mode
oDisabling of WPA secured networks
oError message when using default WiFi password
•Web Remote improvements
•CAP additions and bugfixes
•Others
oEyepiece Heating and Flip are recalled from setup
oAudio icon in playback reflects clip properties
oEF lens control improvements
oBugfixes
We recommend updating to all customers.
Updating Camera, Viewfinder and Lens Mount
•This SUP can be installed on all previously shipped ALEXA Mini LF cameras. However, we recommend updating
from SUP 7.1.2 to SUP 7.2 (note: this can take up to 20 Minutes). If your camera is not running Mini LF SUP 7.1.2,
please update it to 7.1.2 before updating to SUP 7.2. ALEXA Mini LF SUP 7.1.2 is still available on the ARRI website.
•We do not recommend updating in the middle of a production.
•When connected to the camera, the MVF-2 viewfinder and lens mount will also be updated automatically.
In case of using an MVF-2 or lens mount with older software with a camera with newer software, please make sure
to perform a component update of the MVF-2 or lens mount. The version numbers in brackets should be equal
(MENU > System > Update).
•Please note that the viewfinder might switch off during the update process and does not give visual feedback of
the update all the time. The SDI outputs, however, will stay active, which they did not in previous SUPs.
•Make sure not to power off the camera during an SUP update. Make sure not to unplug the viewfinder during an
SUP update. Detailed instructions for the update process can be found at the end of this document.
•Always use a ‘private’ or ‘incognito’ browser window when using the Web Remote to operate the camera and to
perform a SUP update. This prevents possible erroneous behavior.

ALEXA Mini LF SUP 7.2 Release Notes Page 4 of 9
All data subject to change without further notice.
Updating LBUS Accessories
•The camera SUP does not contain any LBUS accessory software. LBUS accessories (like cforce mini motors, cforce
Plus motors, ARRI Master Grips, ARRI Operator Control OCU-1 or ARRI LCUBE) connected to the camera during a
camera SUP update will therefore not be updated.
•To update LBUS accessories, download the LBUS device update file from the ARRI website, copy it onto a USB stick
in the folder ARRI/ECS/, place the USB stick into the camera, connect the LBUS device to the LBUS connector on
the camera and then initiate the update from MENU > System > Update > Update LBUS Devices.
Downdating
It is possible to downdate from this ALEXA Mini LF SUP 7.2 version to an older SUP.
•For a downdate to a previous SUP version, both the license file of the installed and of the previous version (always
included in the SUP zip file and named: ‘mini_lf_fw_update_aes_X.X.X.lic’) need to be available on the USB
memory stick under /ARRI/A-MINI-LF/LICENSES.
•ALEXA Mini LF SUP 7.1.2 is available for download on the ARRI website.
•However, MVF-2 viewfinders with serial numbers above 6849 and Compact Drive 2TB units with serial numbers
starting with ‘273xxxxx’ are not compatible with ALEXA Mini LF SUPs lower than 7.1.2.
Codex Compact Drive 1TB Update
A firmware patch is available to address a firmware error with Codex Compact Drives with the serial number range
from 10020001 to 10022568. Drives outside this serial number range already run the latest firmware and require no
update. On rare occasions, this firmware error could cause a Compact Drive to take a long time to load in the camera,
Dock or Reader, not load at all or result in the camera status "INVALID". For all ALEXA Mini LF owners we recommend
updating their Compact Drives to this new firmware. If you have access to an ALEXA 35, all 1TB Drives requiring an
update will be identified and updated in this camera. Unfortunately, this feature is not available on ALEXA Mini LF. If
you do not have access to an ALEXA 35, you can also send these drives to any Codex or ARRI Service station for a free
software update.
Please note that Mini LF SUP 7.2 will not update Compact Drives. ALEXA Mini LF cameras running SUP 7.1.2 and higher
are compatible with Compact Drives with and without the update. More information can be found on the ARRI
Website here.
Software Compatibility Notes and Sample Footage
•A document providing an overview of postproduction tools that support files recorded with ALEXA Mini LF cameras
("ALEXA Mini LF Supporting Tools & Software Overview.pdf") can be found in the download section of the ALEXA
Mini LF webpage.
•ARRIRAW files recorded with ALEXA Mini LF cameras with SUP 7.1.2 or later can be processed with the ARRI
Reference Tool (ART) or the ARRIRAW Converter (ARC). Metadata can be extracted with the ART or the ARRI Meta
Extract (AME). All are free-of-charge software applications.
Please note that the ARC and AME will not be developed any further, as we have moved all their features into the
ARRI Reference Tool (ART), which is the reference tool of choice now for all ARRI digital cameras (except the
ARRIFLEX D-20/D-21). The ART allows you to process ARRIRAW from Mini LF with either the original ARRI color
science (LogC3/AWG3) or with the new REVEAL Color Science (LogC4/AWG4), which provides greatly improved
image quality as well as compatibility with footage shot on ALEXA 35. If you want to use the ARC or AME, please
update both to the latest release versions (ARC 4.4 and AME 4.4).
•Please note, that macOS X version 10.14.4 or later is required to successfully transfer data from a Codex Compact
Drive with the Codex USB-C Compact Drive Reader, or the SXR Capture Drive Dock with the Compact Drive
Adapter. Using older versions of macOS will result in a copy error for files larger than 9.66 GB.
•Please note that macOS X version 10.15 with the Apple MXF plug-in installed (part of “Pro Video Formats 2.1”) is
required to play back downloaded MXF/Apple ProRes footage in Apple QuickTime Player.
•Sample footage shot with the ALEXA Mini LF camera can be downloaded here.
Registration
If you have not done so already, please make sure you register your camera using our online customer registration.
Your registration ensures that you receive information about future software updates as soon as they are available. If
you register your new camera within 1 month of purchase, you will get a 12-month extended warranty for free. You
can find the registration here.

ALEXA Mini LF SUP 7.2 Release Notes Page 5 of 9
All data subject to change without further notice.
B. New Features and Changes
WiFi improvements
Updated WiFi firmware
With ALEXA Mini LF SUP 7.2 a new firmware for the WiFi module has been included, which should provide for
generally better performance of the WiFi functionality.
WiFi host channel: Automatic
It is now possible to choose an automatic channel selection in the WiFi menu in addition to the manual selection of a
WiFi channel. After choosing Automatic, the best available WiFi channel is searched for and used. The automatically
selected channel is displayed in brackets. The channels designated to the white radio for ECS are excluded,
disregarding if white radio is on or off in the camera.
In a multi camera environment we advise to first assign ECS channels to all cameras, as those channels will be then
avoided by WiFi as soon as it is switched on.
Warning when default password is in use
A warning appears after activating the WiFi radio if the default password 'arriarri' is still in use. For security reasons,
we strongly recommend changing the default password in any case.
Deactivated support of WPA secured networks
For security reasons, support for the deprecated WPA security certification program from the camera's functionality
has been removed. ALEXA Mini LF with SUP 7.2 only supports WPA2 secured networks.

ALEXA Mini LF SUP 7.2 Release Notes Page 6 of 9
All data subject to change without further notice.
Web Remote improvements
The Web Remote has been improved and updated in many respects and now corresponds to the functionality and
design of the Web Remote as it is available on the ALEXA 35.
Amongst others, these improvements include:
•Improvements in legibility and consistency
•Go-to link appears when outdated components are attached
•Connection stability improvements
•Compatibility fixes on iPad and Android devices
Camera Access Protocol (CAP) additions and bugfixes
The Camera Access Protocol in the ALEXA Mini LF SUP 7.2 was updated to CAP Version 1.8. This version includes bug
fixes and additional commands. These additional commands allow new features to be available from the Camera
Companion App. They can also be used by 3rd parties in their products.
Others
This software version includes several bug fixes and overall stability improvements of the camera.

ALEXA Mini LF SUP 7.2 Release Notes Page 7 of 9
All data subject to change without further notice.
C. Known Issues –Software
Lenses
ALURA 1.4x and 2.0x Extender are not recognized
ALURA 1.4x and 2.0x Extender are not recognized by the camera and therefore the lens information shown in the
menu, the SDI overlays and the WCU-4 show the information of the lens without considering the use of the extenders.
Monitoring
MVF-2 can show subtle flickering in upper part
Sometimes a subtle flickering can be observed in the upper part of the image of the MVF-2 viewfinder (through the
eyepiece, not the flip-out monitor).
Brightness flicker when EVF Zoom is activated or EVF Surround view is off
Brightness flicker in the upper part of the OLED display can be noticed.
Magnification Limits
Depending on the recording format, the MAGNIFICATION feature can sometimes reach maximum magnification
before the top value of 200% is reached. In this case, higher value numbers will be shown in the menu, but actual
image magnification will not increase further.
Magenta Image after Mode switch
Sometimes after switching Recording Modes the SDI image may display a magenta tint for up to 5 seconds before
returning to the normal image.
Playback
Lower Audio levels in Playback
When playing back a clip with Audio the headphone output on MVF-2 is 3dB less than in Live/Recording.
Post
No Mirror image function for MXF/Apple ProRes in DaVinci Resolve
The vertical “Mirror image” function does not work for MXF/Apple ProRes in DaVinci Resolve. However, it will work
with ARRIRAW.
Remote Control
Web Remote reconnect takes long after switching WiFi power OFF and back ON.
Sometimes the reconnect of the Web Remote takes unexpectedly long after switching WiFi power OFF and back ON.
SmallHD Cine 7 partial functionality
When remote controlling the camera with a SmallHD Cine 7, not all features will work as expected.
CAP-controlled axis behavior with unstable Hand Unit connection
If an axis is controlled via CAP and a Hand Unit gains control of that axis the CAP values can be set whenever that Hand
Unit losses connection. Make sure to unassign axes from the Hand Unit that are being controlled via CAP.
Web Remote: Periodic connection issues
When using the Web Remote with certain OS / Browser combinations the camera may not be found. Use the LAN IP
address of the camera in those cases.
Check MENU > INFO > NETWORK INFO LAN IP for the current IP address.
WiFi - No successful reconnection to access point after reboot in client mode
In rare cases the WiFi driver can get stuck after a reboot or resolution change when the camera is in client mode. In
this case the camera does not reconnect to the previous access point and the list of discovered networks is empty.
In this case, please reboot the camera to regain WiFi functionality.

ALEXA Mini LF SUP 7.2 Release Notes Page 8 of 9
All data subject to change without further notice.
Sync
SDI out of sync
If two cameras are being synchronized by syncing only one of them to timecode, the recorded images will be in sync,
but the SDI outputs will be slightly out of sync. Supply timecode to both cameras to mitigate this issue.
Warning message unavailable
A camera in setting Slave mode inherits all settings from the master camera. When attempting to change settings on a
camera in settings Slave mode not all items prompt the warning that these settings can only be changed on the
master camera, but instead are not modifiable.
Disabling EXT Sync leads to error message
When disabling EXT Sync the camera can display a software error (#4) and prompt the user to reboot. After rebooting
the camera will resume working as expected.
Timecode offset after exiting playback through recording
When exiting playback by pushing the REC button, it is possible for timecode to be offset by one frame. To avoid this,
exit playback by pushing the physical playback button on the viewfinder or through the 'close' button in the menu.
Usability
Cannot overwrite existing User Pixel Mask
Saving a User Pixel Mask on the USB stick is only possible when the sensor folder on the USB stick does not already
contain a User Pixel Mask. If you want to save a User Pixel Mask, make sure the folder is empty or re-name any
existing User Pixel Masks. Even then, sometimes a new User Pixel Mask cannot be saved, and the monitor gets stuck
with the message 'Exporting user pixel mask, please wait...'. Restarting fixes all of this.
Active ND Filter indication can be wrong
In rare cases after quickly toggling through ND Filters the Overlay may not show the accurate ND Filter. After changing
ND Filters again the Overlay will be accurate.
MVF-2 stays black on camera start
In rare cases the MVF-2 can stay black after the camera has has booted completely. Replug the Viewfinder in this case.
Updating
ALEXA Mini SUP camera update might fail
In a few cases the camera update may fail with the message 'Last SUP installation was incomplete. Please re-install
SUP. (#135)'. In this case, please re-install SUP.
D. Known Issues –Mechanical Accessories
RAB-1 Clamp 2 may experience poor clamping performance
Some early RAB-1 Clamp 2 units (K2.0023406) ran into assembly issues leading to poor clamping performance or the
inability to release adequately. If a RAB-1 Clamp 2 is found to slip on the Rear Accessory Bracket RAB-1 (K2.0013937)
or not to release correctly, please contact ARRI Service to get the part repaired or exchanged.
Compact Bridge Plate CBP-1 and CBP-2 lever malfunction
To release the Compact Bridge Plate CBP-1 or CBP-2 from a balance plate, the safety catch on the main locking lever of
the CBP must be released for the main locking lever to be moved from the BALANCE to the RELEASE position. Some
early CBP-1 and CBP-2 units could have the main locking lever moved directly from the LOCK position to the RELEASE
position. In that case, please contact ARRI Service to get the part repaired or exchanged.

ALEXA Mini LF SUP 7.2 Release Notes Page 9 of 9
All data subject to change without further notice.
E. Update Procedure
Where to download the new Software Update Package (SUP)
You can find the Software Update Package in the Software Update Package download section. A SUP can be installed
on the camera by using a USB stick as described in detail below.
Camera Update Procedure
The ALEXA Mini LF software is updated from a USB memory stick. The SUP Software Update Package (SUP) will update
the ALEXA Mini LF camera along with the Viewfinder (MVF-2) and the lens mount –provided they are connected to
the camera.
The update can be started through the menu of the MVF-2 viewfinder or through the Web Remote. The Web Remote
requires a connection to the camera via WiFi or Ethernet (with ALEXA Ethernet/RJ-45 Cable KC-153-S, K2.72021.0).
Open a web browser and enter the URL: http://mini-lf-xxxxx.local (replace xxxxx with your camera's 5-digit serial
number). For further information on the Web Remote, please refer to the User Manual.
▪After the download, please double click the downloaded file (*.zip) to unpack it or unpack it manually. This
will place two update files (*.SUP and *.lic) onto your computer.
▪If not done beforehand, prepare the USB memory stick for use with ALEXA Mini LF by connecting it to the
camera. Then choose Menu > Media > Prepare USB Medium... in the camera’s menu on the MVF-2 flip-out
monitor and press CONFIRM. This will create the required folder structure on the USB stick.
▪Connect the USB stick to your computer and place the downloaded *.SUP file in the folder
ARRI/A-MINI-LF/SUP on the USB stick. Then place the downloaded *.lic file in the folder ARRI/A-MINI-
LF/LICENSES on the USB stick.
▪SUPs contain not only updates for the camera body but also for the MVF-2 viewfinder and the LPL lens
mount. Therefore, the MVF-2 viewfinder and the LPL lens mount should be attached to the camera when
performing an update.
▪Make sure the camera is connected to a power supply (best) or is powered with a full battery to avoid power
loss during the update process.
▪Perform a factory reset on the camera with the menu item Menu > Setup > Factory Reset...
▪NOTICE: Remove the recording media from camera!
▪Connect the USB stick to the camera and navigate to the menu item Menu > System > Update > Update
Camera...
▪Select the SUP file from the list and click the item.
▪In the following message, press INSTALL to start the installation.
▪Press CONFIRM to start the installation.
▪The camera will present a screen presenting the update progress. Please do not shutdown the camera or
unplug power until the camera reboots.
▪After the update process has finished, a success message is displayed. Please note, that the update can take
up to 20 minutes.
▪Please repeat the last six steps (marked in purple) and update the camera for a second time.
▪It may happen that the Viewfinder goes black during the update and does not provide any further
information. In this case do NOT cut off power but check SDI 1 for a red ERROR icon or connect via Web
Remote. If you get a “fail”, re-run the update.
▪Make sure you set the correct time zone in Menu > System > System Time & Date.
▪If the MVF-2 viewfinder or LPL lens mount were not connected to the camera during the update process, the
camera will still store the new software for those devices. The next time those devices are connected and
have an older software than the one stored in the camera, the camera will offer to update those devices.