[Q] Boot-loop and now there is no IMEI and Mac is wrong

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Hello,

I got a problem started this morning and keeps going ridicilously.

I'm gonna start from the begining. I plug my phone to my computer last night for charging. In the morning i took it and see that it was stuck so i unplugged the battery and try to boot it. Reboot Loop occours. It shows Ideos for 5-6 seconds and then resets. So i tried lotsa things (they are not that important at that point).

At the end i copied Estonian B138 dload folder and give a fresh install to stock rom from bootloader.
It installed very well, didnt give any errors or else. But there wasn't signal at all... I figured that there is NO IMEI number in the about page. It shows 0.
And there is a MAC address of wifi which isn't mine (Mine is 20:xx: its 46:xx i looked back side of telephone).

- I tried to install stock rom again and again. It doesnt work.
- I tried to change AMSS files (dzo's and some of my old backups) that doesnt work either.
- Tried to activate pin code and deactivate it. Only once it shows there is a simlocklock and it disappears right after. Never showed up again.

Now i can't make any calls else Emergency. What would be problem and how can i solve this?