Xperia Z, Flashtool & unlocking bootloader

In the hope of the super user might be able to help with this issue...

C6603, Vodafone UK sees do not update FOTA 253 or via PC Companion or KNOWN.  I think I read in the forum you can apply the update directly using Flashtool - so I guess the 1st question is, am I right?

In any case, I downloaded EMMA - after connecting the Z I get message saying that the phone is locked and directly at unlockbootloader.sonymobile.com. Instructions seem simple enough, but the severe warnings of Sony are a little scary!

2nd question then how dangerous it is... it is to unlock the bootloader? Sony (I know they have to) talk about voiding the warranty, deterioration of key components and potentially bricking the phone - the probability is as follows, if I apply only updates from Sony and not all (excerpt) "custom software unsigned?

See you soon,.

Mark

Topic has been edited by: Rickard

you don't need a phone rooted or unlocked for Flash the standard firmware with flashtool

install flashtool beta4

Download global generic ftf 253 (glance at the XDA forum)

Place ftf file in the folder firmware flashtool

install the drivers for EZ and the 2 x main motors

launch flashtool

Press "flash".

Select the firmware

Uncheck the options to not erase the data on the phone

tick simlock TA (no not necessary)

connect the phone via USB with the low volume button (the phone is turned off)

Start flash

Tags: Sony Software

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