Question about Sony Ericsson K750i Cellular Phone
The keys 1,2,3 and the toggle switch do not respond. Rest of keys ok. I stripped down the switch, which was dirty inside,cleaned it and retested it without success.
I assume the case is undamaged & therefore wasn't dropped.I suggest this is a firmware problem as the phone hasn't been inspected internally before. Maybe related to SIM card? Try copying SIM card to another & replace it.
Posted on Jul 06, 2007
Your fon might be dropped and that's the reason maybe the keypad IC get malfunctioned
Posted on Jul 05, 2007
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Posted on Jan 02, 2017
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