TCL Alcatel Pixi4-5 4G - 3. Replace the Handset Parts; Preliminary Steps and Precautions

L1 Service Manual TCL Communication Ltd.
Rev.
5045X/D/A/J/G/T/Y Level 1 Service Manual
Page
1.0
27/41
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II. Press “Pass” to continue.
 MEMORY CARD
I. Insert SD card and the phone will detect it if functions well;
II. Press “Pass” to continue.
 BATTERY TEMP
I. It will display the value of battery temperature, battery content and battery voltage if it
functions well;
II. Press “Pass” to continue.
 BLUETOOTH
I. Bluetooth will search automatically and it will display device address if it functions well;
II. Press “Pass” to continue.
 WIFI
I. It will search for WIFI hotspot and it will display searched result on the screen if it functions
well;
II. Press “Pass” to continue.
 GPS
I. It will run GPS and search for satellite, and then it will display info such as “PRN”, “SNR”,
etc. on the screen if it functions well;
II. Press “Pass” to continue.
3. Replace the handset parts
3.1. Preliminary
Before any disassembly (except the antenna), the back cover, battery and SIM card must be removed