z2 firmware error

[sharshabil]

to all,

i tried to update my Z2 but it keepgive this msg (sony update engine failure (error 2003)) and it infomred that my device contain modified software, this msg keepcoming by PC Companion and SUS, can any one help me with this or how i remove the modified software i purchae new and i didnt do anything on it.

thanks in advance for your help.

[Uliwooly]

The reason behind that message is that you have unlocked the bootloader, you won't be able to use SUS, PCC or Bridge unless you relock the bootloader 

[sharshabil]

how i can relock the bootloader, and by that can i still using my device or it will be locked for the operator.

[sharshabil · Accepted solution]

thanks for you, i tried to close and i did, for any one you can use this link 

http://xperiafirmware.com/8-firmware/51-sony-xperia-z2-d6503