OTA 8.5.4.0 WIFI error - Xiaomi Redmi Note 4 Questions & Answers

Good day,
Tomorow installing OTA 8.5.4.0 in REDMI NOTE 4 GLOBAL (3/32/Qualcomm) LTE-B20 after installing is WIFI / WLAN problem.
(OTA is GLOBAL STABLE 8.5.4.0.NCFMIED)
After installation, WIFI is still disconnected and connected (cycle loop).
The browser / email will start and after a while the WIFI will connect and disconnect.
Tested settings for 2.4 Ghz and two routers (STATIC and DHCP settings ) and problem is same
Devices not accepted STATIC IP adress (NETWORK_SELECTION_DISABLED_DHCP_FAILURE=1).
Boot Loader = LOCKED (waiting for unlock)
Any solution?
Thanks

Problem solved
Zgrunt said:
Good day,
Tomorow installing OTA 8.5.4.0 in REDMI NOTE 4 GLOBAL (3/32/Qualcomm) LTE-B20 after installing is WIFI / WLAN problem.
(OTA is GLOBAL STABLE 8.5.4.0.NCFMIED)
After installation, WIFI is still disconnected and connected (cycle loop).
The browser / email will start and after a while the WIFI will connect and disconnect.
Tested settings for 2.4 Ghz and two routers (STATIC and DHCP settings ) and problem is same
Devices not accepted STATIC IP adress (NETWORK_SELECTION_DISABLED_DHCP_FAILURE=1).
Boot Loader = LOCKED (waiting for unlock)
Any solution?
Thanks
Click to expand...
Click to collapse
1.) Unlock bootloader
2.) Flash latest stable 8.2.10.0 with MIFlash
Grunt Zdeněk

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