L2 Repair Document
TCL
Communication Ltd.
Rev.
Go Play 7048X_A Level 2 Repair Document
Page
1.3
9/95
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2.3 Pretest
1) Check that the SIM card is set correctly.
2) Power on the cell phone.
3) If the cell phone cannot power on, visually check the condition of USB connector. Or charge the
phone at least 20 minutes.
4) If the cell phone asks to input NCK code, this means it is SIM locked and can only be worked
with dedicated SIM card. Use the correct SIM card.
5) Enter the phone code if necessary.
6) Enter auto test in power off mode:
7) If power on, test step by step with the auto test code:
Press *#2886# in dial screen and then you will see the interface displaying the SW version. Select
“Auto” to start the auto test, or select “MANU” to do the MMI test manually
If one of the test failed during “Auto” test mode, it will ask you “Restart?”, press “YES” to restart the
auto test from the first one and “NO” to exit the auto test, while “NEXT” to continue the auto test.
Traceability
I.
You can get some basic information such as IMEI, PTM, PTS, CU Ref, and “PASS” to get
Date Code for reference.
II. Press “Pass” to continue.
Raw
Data
I.
Do not touch the screen until it displays “PASS”.
