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Volume down button after a week of purchase began working intermittently: at one time worked in another does not work.
After 2 weeks, does not work in any application, including the camera. While running at full upgrade, when asked to press a button.
Fully updated - did not help.
Xperia sola. Build 6.0.B.1.576
Dial *#*#7378423#*#* in dialer/ dial pad / phone pad > service tests > keyboard and switch > press Volume Down key again and again and again
Post the results here
Volume Up - Ok.
Volume down key - does not work
Oops, means it's a hardware problem
You will have to go to Sony service center
http://www.sonymobile.com/global-en/support/contact-us/
Before going try this
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Backup everything as it will erase all data on phone (sms, contacts,apps)
Update/Repair your phone via PCC or SUS
PCC (PC COMPANION) – Repair your software with this .First do the setup without connecting your mobile to pc.(only connect when you are asked to).
Do it as follow >> PCC > SUPPORT ZONE> SOFTWARE UPDATE> REPAIR SOFTWARE (written with blue)
PC Companion http://www.sonymobile.com/global-en/tools/pc-companion/
SUS ( Sony Update Service) ... download and install it on pc and follow the on-screen instructions http://www-support-downloads.sonymobile.com/Software%20Downloads/Update_Service_Setup-2.11.12.5.exe
or
http://www.sonymobile.com/global-en/tools/update-service/
Both the links are same
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Sony Update Service tried to.
will need to contact the service center