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[Q] troubleshooting on sony xperia Z(c6602)

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penky had
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Unhappy [Q] troubleshooting on sony xperia Z(c6602)

Hii,i was playing around *#*#4636#*#* on my xperiaz(c6602)and accidentally klicking usa band,no ihave lost all connectivity .everyone please halp me out from this problem. I am in papua niugini . thx so lot
 
androidtweaker1
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Originally Posted by penky had View Post
Hii,i was playing around *#*#4636#*#* on my xperiaz(c6602)and accidentally klicking usa band,no ihave lost all connectivity .everyone please halp me out from this problem. I am in papua niugini . thx so lot
punch *#*#4636#*#* then phone information then click on 3 dots on top right corner click select select radio band then select automatic
reboot and see
Hit thanks if helped

Current Devices
Sony Xperia Z: Stock 4.4.2 rooted
Samsung Galaxy Nexus: Paranoid Android
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penky had
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Originally Posted by androidtweaker1 View Post
punch *#*#4636#*#* then phone information then click on 3 dots on top right corner click select select radio band then select automatic
reboot and see
I did that,unfortunedly only usa band appear.what i have to do?please
 
androidtweaker1
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I did that,unfortunedly only usa band appear.what i have to do?please
Try doing a reset
Hit thanks if helped

Current Devices
Sony Xperia Z: Stock 4.4.2 rooted
Samsung Galaxy Nexus: Paranoid Android
 
penky had
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Try doing a reset
It still same,already hard and soft reset.more suggest please
 
androidtweaker1
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It still same,already hard and soft reset.more suggest please
Whats your phone model?
Hit thanks if helped

Current Devices
Sony Xperia Z: Stock 4.4.2 rooted
Samsung Galaxy Nexus: Paranoid Android
 
penky had
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Whats your phone model?
Xperia Z c6602, andoid 4.4.2 10.5.a.0.230 baseband 9x15a-acefwmazq-30110089-64 kernel ver.3.4.0-g32ce45a
Builduser@buildhost#1
 
androidtweaker1
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Xperia Z c6602, andoid 4.4.2 10.5.a.0.230 baseband 9x15a-acefwmazq-30110089-64 kernel ver.3.4.0-g32ce45a
Builduser@buildhost#1
You can download kitkat stock firmware for 6602 from here
Download flashtool to flash firmware from here

How to flash instructions are given below

Download and install the Flashtool
Go to the flashtool folder in c drive, keep the firmware ie the ftf file in the firmware folder of flashtool
Next go to where you installed flashtool folder in C drive and then to the drivers folder.
Run the Flashtool-drivers.exe file.
Xperia Z drivers, flashmode drivers and fastboot drivers.
Accept all the prompts and once finished load flashtool
Click the thunder button on top left
Now select flashmode
Select the firmware you want to flash
Turn off phone(Hold power and both the volume keys till you feel 3 vibrations)
When it tells you to connect hold down the volume button and connect usb to phone
Flashing will start
After flashing is complete boot the phone
Hit thanks if helped

Current Devices
Sony Xperia Z: Stock 4.4.2 rooted
Samsung Galaxy Nexus: Paranoid Android

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