[Xiaomi 11 Lite 5G NE] zgfg:
Xiaomi 11 Lite 5G NE (Lisa)

Stock 12.5.8 EEA

Bootloader unlocked, Orange Fox recovery and Magisk Canary 25.2

I was running the same set-up for a couple of months, by only updating when newer Magisk was released or some module.

I never had any problem

Used to reboot like twice a week. On Sunday I wanted to reboot for a benign reason, since I installed a new weather widget

But instead of rebooting, the phone immediately went to Fastboot.

Tried couple more times, always rebooting to Fastboot

By Vol+, I rebooted to Orange Fox, wiped Dalwik and Cache and /data/system/package_cache but it didn't help

Then, from Orange Fox I flashed the boot img without Magisk, but no help, Lisa still rebooting to Fastboot.

I flashed even stock Recovery back, no help

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Downloaded fastboot/tgz MIUI 13.0.9.0 EEA, un-gzipped, un-tared, ran flash_all.bat script (incl. wiping Data but not relocking Bootloader) through Fastboot - all partitions were flashed OKAY but Lisa still rebooted to Fastboot

From stock Recovery I performed Factory reset, but again no help

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At that time I was pretty desperate. I was thinking about re-locking Bootloader and going to service shop, to claim for Warranty

But I decided to try Xiaomi.eu 13.0.2.0 Stable - also a Fastboot ROM

(Actually, few days before, I finally made my mind that I would go for Xiaomi.eu Weeklies - they are now Recovery ROMs

For preparation, I did all kinds of backups, planning to switch that same Sunday evening - therefore, I had one trouble less, although the phone was not operational, I didn't loose any photos, WA chats, etc and I already had a second/another/old Xiaomi phone prepared to serve for personal and work activities while I would be setting, rooting, etc Xiaomi.eu on Lisa)

Hence I ran windows_fastboot_first_install_with_data_format.bat through Fastboot - flashing was longer (few more partitions than when I flashed the stock) and again, all partitions flashed with OKAY

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TG, the phone now rebooted to MIUI - but there was a blocking alert that For security reason, my phone was locked (see the screenshot)

I had to enable WiFi and activate/unlock by logging to my Mi Account

Still there was a catch - I forgot my Mi Account password. But I used my old/second Xiaomi (Mi 9T) phone, opened Mi Account there in Settings, and found the Change password option

Although not knowing my old password, I was allowed to set the new password by authorizing myself through an SMS code received to my pre-configured phone number associated with my Mi Account

Then I entered that new Mi Account password on Lisa, and I was finally allowed to enter and set the new MIUI 13

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I don't know was all that related to my extensive playing with Find My Device (Google) and Find Device (Xiaomi) from the browser. Over the last week's I was testing from time to time how fast they can locate both my phones

But I can swear that I never pushed Secure or Lock my phone(s) remotely. Btw, if I did, Lisa would be locked/blocked immediately, not on the next reboot (by ambush)

Hence I don't know what was the cause

But although flashing the stock Fastboot ROM did not help, flashing Xiaomi.eu Fastboot ROM successfully unblocked/revived my phone