Trouble Shooting Guide, Mechanical
4/000 21-1/FEA 209 544/116 C
Company Internal
© Sony Ericsson Mobile Communications AB
8(31)
3 Network/Signal Problems
Problem Area Items to Check Repair Action Reference Image
Before proceeding ! Perform a flash upgrade.
Visually inspect SIM holder
• If dirty or oxidized – Clean it.
• If damaged – Send to an electrical
repair location.
No Signal or Poor
Signal
Visually inspect antenna contact pads
• If dirty or oxidized – Clean the pads
and replace the frame (B cover).