Question about Sony Ericsson K800i Cellular Phone
From the menu, select Settings, then Connectivity, then scroll down to Mobile Networks.
The menu option GSM/3G networks, select GSM only.
This will stop the phone searching for or using the 3G network, saving battery life at the expense of poorer data rates (if you use web browsing). If you only use voice and SMS texting, it can help your battery last much longer.
This solution also works for many other Sony Ericsson phones.
Posted on Oct 21, 2008
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