Broken phone - No SIM card and wifi detecion - Xiaomi Redmi Note 3 Questions & Answers

Hi,
so recently i wanted to restore stock kernel and that's why I used MiFlash.
I did it, but now the problem is that there's something wrong with the phone.
I have TWRP installed, but the phone doesn't work right.
After it boots up eventually (after few soft reboots) I can't do anything.
On MIUI ROM i can't get past the configuration menu as it requires a SIM card or wifi to activate, where both don't work.
Now I've got AOSP 5.1.1 on the phone, but there's the same problem. Also most of the apps aren't working, such as settings, phone etc.
After few minutes the phone reboots by itself.
Any idea how to fix it?
Edit: I've fixed wifi and reboots. The only thing that is not working is Sim card. No imei and baseband is detected (probably wiped efs).

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You flashed CM13 or any other MM rom?

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Aadeep said:
You flashed CM13 or any other MM rom?
Click to expand...
Click to collapse
Yeah, I flashed AOKP based on MM (CM kernel - didn't lock the bootloader).
But few things didn't work and I wanted to get back to 5.1.1
Edit: I guess I've lost my IMEI semehow, right?
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mr.loverlover said:
Yeah, I flashed AOKP based on MM (CM kernel - didn't lock the bootloader).
But few things didn't work and I wanted to get back to 5.1.1
Edit: I guess I've lost my IMEI semehow, right?
Click to expand...
Click to collapse
Yes imei is lost, you can only flash MM based ROMs now (if you didn't backup efs of lollipop)

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try this if u had previous lollipop backup https://youtu.be/I-3sVZAEXjQ

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I've managed to fix wifi somehow.
kaushal64 said:
try this if u had previous lollipop backup https://youtu.be/I-3sVZAEXjQ
Click to expand...
Click to collapse
Unfortunatelly I had a backup but of an AOSP 5.1.1 and there were only 4 partitions backed up
Aadeep said:
Yes imei is lost, you can only flash MM based ROMs now (if you didn't backup efs of lollipop)
Click to expand...
Click to collapse
MM also doesn't get any signal.

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Try this
http://en.miui.com/thread-233047-1-1.html
http://en.miui.com/thread-260943-1-1.html

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arnes_king said:
Try this
http://en.miui.com/thread-233047-1-1.html
http://en.miui.com/thread-260943-1-1.html
Click to expand...
Click to collapse
1st option is a no do.
It's a new phone on warranty.
2nd option. I already tried it. Doesn't work
Btw, could someone please upload his /dev/block/ folder?
Sent from Note 3, Xiaomi Redmi Note 3.

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http://forum.xda-developers.com/redmi-note-3/how-to/how-to-restore-lost-redmi-note-3-pro-t3401622
Flash qcn before xqcn

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vkass said:
http://forum.xda-developers.com/redmi-note-3/how-to/how-to-restore-lost-redmi-note-3-pro-t3401622
Flash qcn before xqcn
Click to expand...
Click to collapse
The link doesn't work.
Sent from Note 3, Xiaomi Redmi Note 3.

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hi the second one worked for me
just download the last version of qpst here 2.7 build 425
mr.loverlover said:
1st option is a no do.
It's a new phone on warranty.
2nd option. I already tried it. Doesn't work
Btw, could someone please upload his /dev/block/ folder?
Sent from Note 3, Xiaomi Redmi Note 3.
Click to expand...
Click to collapse

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I can't believe it.
I fixed it.
The key to restoring imei was the qcn file, which was currupted in my phone.
I used this one (without editing hex): https://app.box.com/s/6mwo0n8qhi1nmmnpz0hrbmmqy0jyszr4

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Try this
1.)Flash CM13 again.
2.)Unlock bootloader.
3.)Flash fastboot rom via miflash in fastboot rom.

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kaushal64 said:
Try this
1.)Flash CM13 again.
2.)Unlock bootloader.
3.)Flash fastboot rom via miflash in fastboot rom.
Click to expand...
Click to collapse
I already fixed it with the method mentioned above.
Sent from Note 3, Xiaomi Redmi Note 3.