Touchscreen not working properly anymore

Hi!

My touchscreen doesn't react to my fingertips anymore. The Pen still gets recognised though.

Does anybody know about this problem?

Thanks in advance and many greetings

Edge / GSM only, no 3G/LTE possible anymore

Hey,
since a few days, I'm not able to access 3G/LTE anymore in Germany with European G4 H815. Bootloader is unlocked (so no warranty for me).
I already reflashed it with KDZ with CSE flash, also tried to enable/reflash LTE Bands described here:
http://forum.xda-developers.com/g4/g...bands-t3137818

2G/GSM/Edge is possible, not more. Forcing the network to use 3G only results in no connection to the network.
Tried also swapping SIM cards with my GFs smartphone, her SIM card can also only get GSM in my G4, my SIM card can easily get H+ on her smartphone.

May this be a defective modem, or maybe a software bug? I flashed Genisys Rom, now back to stock.

Help would be greatly appreciated! :) Any thoughts?
Kind regards