Network/Signal Problems - Sony Ericsson K320 Troubleshooting Manual, Mechanical

3 Network/Signal Problems

Problem Area Items to Check
Before proceeding
No Signal or Poor
Signal
Visually inspect SIM holder
Visually inspect antenna contact pads
4/000 21-1/FEA 209 544/124 E
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Company Internal Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, Mechanical
Repair Action
Perform a flash upgrade.
• If dirty or oxidized – Clean it.
• If damaged – Send to an electrical
repair location.
If dirty or oxidized – Clean the pads
•
and replace the frame (B cover).
Reference Image
10(35)