Micromax Q348 Installation instructions

Q348 Disassembly guide
1：Technical Specifications
Particular
Remarks
Key Matrix For Flashing
NA
Chipset
MT6582M
Android Version
Android5.0
Frequency
1.3GHz Quad core
Network Mode
850MHz/900MHz/1800MHz/1900MHz B1, B8
Rom
8G
RAM
1G
Internal SD Card memory
5G
Expandable Memory
32G
Factory mode code
Press vol+/ Vol-/ power key at the same time
Good Earpiece volume
32Ω± 15%
Good Loudspeaker volume
8Ω± 5%
Good MIC volume
2.2kΩ± 5%
Good Vibrator volume
30Ω± 5%

Q348 Disassembly guide
2：CAUTIONS
I. Flashing & Servicing must be undertaken by qualified personnel only.
II. Ensure all work is carried out at an anti-static workstation and that an anti-static wrist strap is worn.
III. Use only approved Tools & components as specified in the parts list.
IV. Ensure all components, modules, screws, and insulators are correctly re-fitted after servicing and alignment
V. Ensure all cables and wires are repositioned correctly if Handset disassembled
VI. Electrostatic discharge can easily damage the sensitive components of electronic products. Therefore, Service Centre
must adhere the precautions which mentioned above.
3：Assembly procedure
1、Remove the Battery cover by hand.

Q348 Disassembly guide
2、Tear off the IMEI label by hand.
3、Unscrew the screws by screw drive.

Q348 Disassembly guide
4、Unmount the back cover by hand.
5、Remove the back cover by hand.
Note: Please don’t move SRT over the camera module to avoid damage of Camera FPC

Q348 Disassembly guide
6、Remove the take a picture key by tweezers.
7、Remove the power key by tweezers.

Q348 Disassembly guide
8、Remove the volume key by tweezers.
9、Unmount the battery by tweezer.

Q348 Disassembly guide
10、Remove the battery by card.
11、Remove the Silicon gel cover for earphone by tweezers.

Q348 Disassembly guide
12、Unmount the RF coaxial line by screw driver.
13、Unmount the take a picture key FPC by tweezers.

Q348 Disassembly guide
14、Unmount the main FPC by tweezers.
15、Remove the small PCB by tweezers.

Q348 Disassembly guide
16、Unmount the LCD&TP FPC connector by tweezers.
17、Unmount the volume key FPC by tweezers.

Q348 Disassembly guide
18、Remove the front camera by tweezers.
19、Remove the main camera by tweezers .

Q348 Disassembly guide
20、Remove the power key FPC by tweezers.
21、Remove the main FPC by tweezers.

Q348 Disassembly guide
22、Unscrews the screw by screw drive.
23、Remove the PCB by tweezers.

Q348 Disassembly guide
24、Remove the RF coaxial line by tweezers.
25、Remove the Silicon gel cover for distance sensor by tweezers.

Q348 Disassembly guide
26、Remove the receiver by tweezers.
27、Remove the Silicon gel cover for LED by tweezers.

Q348 Disassembly guide
28、Heat the TP around use hot air gun (100 degree).
29、Remove the TP by sucker and pick.
Thanks
For any Query or suggestion, Please write to [e-mail]