https://community.sony.rs/t5/xperia-archive/relock-bootloader-xperia-tx/m-p/3328259#M451589 <P>You should be able to use Flashtool then select BLU and follow the instructions as you should be given a prompt to lock the bootloader</P> Sun, 23 Nov 2014 15:50:44 GMT Thommo 2014-11-23T15:50:44Z https://community.sony.rs/t5/xperia-archive/relock-bootloader-xperia-tx/m-p/3328258#M451588 <P>Hello Everyone <IMG class="lia-deferred-image lia-image-emoji" src="https://community.sony.rs/html/images/smilies/011.png" alt="Slightly_smiling_Face" title="Slightly_smiling_Face" /></P><P>&nbsp;I tried to relock bootloader for my xperia tx . I used flashtool but it say error &gt; i need solution for my problem&gt;&gt;</P><P>thanks.</P> Sun, 23 Nov 2014 15:18:31 GMT https://community.sony.rs/t5/xperia-archive/relock-bootloader-xperia-tx/m-p/3328258#M451588 radaideh31 2014-11-23T15:18:31Z https://community.sony.rs/t5/xperia-archive/relock-bootloader-xperia-tx/m-p/3328259#M451589 <P>You should be able to use Flashtool then select BLU and follow the instructions as you should be given a prompt to lock the bootloader</P> Sun, 23 Nov 2014 15:50:44 GMT https://community.sony.rs/t5/xperia-archive/relock-bootloader-xperia-tx/m-p/3328259#M451589 Thommo 2014-11-23T15:50:44Z