EDGE U0-6 Simplified Maintenance Manual
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
7 Disassembly Procedure..............................................................................................................28
8 Assembly Procedure...................................................................................................................38
9 FAQs ..............................................................................................................................................48
9.1 My phone sometimes stops responding or restarts after running for a period of time. What can I do? .........48
9.2 I forgot the screen lock password. What can I do?.........................................................................................48
9.3 My phone responds slowly after it runs for a period of time. What can I do? ...............................................50
9.4 How do I check my phone's Wi-Fi/Bluetooth/SN information?.....................................................................50
10 Troubleshooting........................................................................................................................52
10.1 Power-on Failure..........................................................................................................................................52
10.2 Restarts and Screen Freezing .......................................................................................................................56
10.3 Overheat and Short Standby Time................................................................................................................57
10.4 Charging Failure...........................................................................................................................................58
10.5 No Ringtone .................................................................................................................................................59
10.6 Receiver Failure ...........................................................................................................................................60
10.7 Microphone Failure......................................................................................................................................61
10.8 Weak or No Reception..................................................................................................................................62
10.9 SIM Card Detection Failure .........................................................................................................................63
10.10 Camera Failure...........................................................................................................................................63
10.11 Touchscreen Failure....................................................................................................................................64
11 Quality Inspection Procedure and Methods........................................................................65
11.1 Inspection Flowchart ....................................................................................................................................65
11.2 Inspection Tools............................................................................................................................................66
11.3 Instruction Instructions.................................................................................................................................68
11.3.1 Battery Test .........................................................................................................................................68
11.3.2 Current Test.........................................................................................................................................68
11.3.3 Charging Test ......................................................................................................................................69
11.3.4 MMI Test.............................................................................................................................................69
11.3.5 MT.......................................................................................................................................................82
12 Replacing the P6's PCBA Without Removing the Battery ................................................84
12.1 Disassembly Procedure ................................................................................................................................84
12.2 Assembly Procedure.....................................................................................................................................88
