This is a guide that I wrote to enable root on Android version 4.3, build number 10.4.1.B.0.109 for SGP311. Follow at your own risk. I will not be responsible for damage to your Xperia Tablet Z! I am going by memory and XDA posts I have re-read.
Irritating isn't it? you could try a program such as Music Bee to embed the artwork into the music files, that way you won't need a separate image of the album artwork. I hate not having decent album art on my music.
I've updated to 13.1 from beta on LG G6 H870 and everything worked fine, no problems (so far!). Magisk was updated within the app
I don't think you need to do anything with the bootloader, it will still be unlocked as far as I know. If you're are desperate for the OTA, just flash the new kdz and reroot, might be best to data format in TWRP beforehand though, then use LGUP an...
I have just had my rooted G6 for one night and this night will be the second. I think I lost about 2-3% during the night with Wifi on and always-on display. I have still got a few more apps to download mind you, the main ones that potentially will...