Troubleshooting
Introduction
This chapter contains all common problems troubleshooting
General Information
The following procedures are a guide for troubleshooting. The step by step procedures are
designed to be performed as described.
Table 4-1. Common Problem
Symptoms
No power on
No Display
LCD Picture Failure
Touchscreen Failure
Internal Speaker Failure
Internal Microphone Failure
USB Failure
Front Camera Failure
Rear Camera Failure
Device Vibration Failure
SD Card Reader Failure
SIM card detect Failure
Earphone Failure
Wireless and Bluetooth
Function Test Failure
GPS Function Failure
Other Functions Failure
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