How to re lock sony xperia Z1 bootloader

[Ema Jacksonphilips]

Is it possible to relock bootloader of sony Xperia Z1? My phone( it is previously used by someone else) is rooted and bootloader is unlocked. I am not able to get any updates due to this reason. Please help me.

 

[B. Diddy]

Moved to the Z1 Rooting forum.

 

[Ema Jacksonphilips]

Okay, sorry I Don't know about this one