Tutorial Flashing Update Sony Xperia ZR LTE C5503 For download errors, application errors, the touchscreen is not sensitive, exposed to the virus internal memory, loading a boot loop, until the hardbrick could be detected in a firmware update for the computer drivers. Below you can find the latest firmware for phonesImmediately following his ways:
· How to Flash latest to Sony Xperia ZR LTE C5503 Firmware
a) First of all, check your firmware version (if you already have the latest, you do not need this tutorial)
c) Download the latest Firmware Xperia ZR LTE C5503 Here all sony firmware here
d) Paste FTF file downloaded in step c) to the folder "Firmware" in the folder Flashtool
e) Open Flashtool, click on the flash and select the firmware was downloaded, click ok. Important - if you do not want to delete the data from your phone, simply uncheck userdata.sin. All data will remain in your phone, but sometimes it can cause additional problems. So it is better (and I recommend) to perform a backup of your personal data, continue with the installation clean and then restore your personal data.
f) Turn off your phone and when Flashtool show pop-up window, connect the phone to the PC by pressing the volume down key until the Led green color appears
g) After a few minutes all done and you get new firmware phone
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