3.1.4 Basic repair environment
(1) Basic
environment
First of all, you need a silent environment to repair mobile phone, do not repair in the
noisy places; environment should be simple, bright, in mid-huminity and mild
temperature, no powder or smog exist.
(2) Working platform’s decoration
Spread a insulating table cloth guarding against static electricity on the working table;
prepare a component shelf which has many small drawer to storage the relevant
accessories and components during disassembly, get the working desk lamp and
magnifier available.
(3) Matters needing attention
Please touch the earth wire every time you disassemble the mobile phone, to get rid of
the static electricity of body. Take care of your wearing, don’t wear any chemical fabric
clothes while repairing mobile phone.
3.2 Level 0 Repair
Level 0 repair do not make any disassembly actions on mobile phone, just need to
confirm on deficient point and deliver the deficient report, and to make replacement
on the deficient mobile phone.
3.3 Level 1 Repair
Mainly not to dismantle the screw on the phone.
3.3.1 Replace the battery: check out whether the battery voltage is below 3.3V,
which makes mobile phone not to start up.
3.3.2 SW upgrade: renew the SW version using Fast Load.
3.3.3 Regain the default setup: return the phone back to default setup.
3.3.4 Accessory problems: replace earphone, battery or charger etc.
3.3.5 Operational instruction: you may try to solve the problem according to the User
Manual.
