Yeah that a big stuff... After flashing a bootloader to fix wifi, i Had big problem with my phone.
Now, my phone can boot, I have WiFi but... I don't have GSM Network, and S-Pen is not working too anymore.
Abotu the IMEI, I think ( I guess), I lost my EFS content, and that the reason but I'm not 100% sure, but I can read "IMEI unknow", I look on internet how to write it down in the phone (I have it, under my battery), but everytime I got thread speaking about s*** (stolen, or pay big money etc), the most interesting stuff was about a specific cable and software (but you have to buy token), result is not guarantee and ...175USD ... for that, it's more interesting to get a new phone.
So in two sentence, do you know how can I bring my IMEI back ? how can I fix the S-PEN ?
(Android 4.4.2 // DN3 v5 // N7100 HK)