Xperia M loses network on WCDMA/GSM auto mode

Hi there,Xperia M usually loses network while calling on WCDMA/GSM auto mode. After a few seconds of a call phone freezes, a caller does not hear me, I do not hear them either.After this phone becomes unreachable for several minutes. However the network coverage shows as 100%.I know you might advise to switch to GSM mode only, but this is not a solution. I have bought 3G phone, and I need 3G.in order to be back to network I have to reboot the phone.This is surely a bug of loosing the network while auto-switching WCDMA/GSM modes automatically.Dear Support team, any solutions?thank you.Best, Max

The first thing you should try is to repair your phone with SUS or PCC, also remove any taskillers, antivirus apps Update Service (SUS) PC Companion (PCC) Bridge (for Mac) Alternatives on How to backup Xperias http://talk.sonymobile.com/thread/36355

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http://europe.nokia.com/A4176089
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Xperia M loses network on WCDMA/GSM auto mode

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