Originally Posted by MilkyJoePD
If the fault with your phone is nothing to do with the bootloader your guarantee won't be affected.
Who Cares Wins
Well sometimes they just try to be a pain in the ass and complain about it, but if it's got nothing to do with it, just go ahead and send it to your phone's service
A lovely LG Optimus 4x HD (rooted and unlocked bootloader) modified stock v20c
Samsung Galaxy Tab 2 7.0 (rooted)
Samsung Galaxy Gio , which introduced me to the Android world, Cm 7.0 rooted
A stupid iPod touch 4th gen, jailbroken and tweaked