I have the same problem, no camera and sim card not detected.
I was on the latest MIUI 10 until today
hello, well all is working great on my redmi note 5 pro from start BUT I never ever installed MIUI 10, I came from MIUI 9 to directly /e/ oreo… maybe that’s the catch…
I had to flash to MIUI back : i tried e, lineage os with micro g and none of those OS were able to find my SIM card.
When MIUI10 was back, SIM detection was OK and i look at my android version : it is Pie.
Is there a e version with Pie firmware compatible ?
you can flash latest oreo Miui with fastboot and then flash official /e/ (ota updates availiable) or try pie unnoficial build (no ota updates availiable) A Pi/e/ test ROM for the Xiaomi Redmi Note 5 Pro "whyred"
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you can flash latest oreo Miui with fastboot and then flash official /e/ (ota updates availiable)
i’ll try this.
Does anyone tried ? I’m not an expert but i don’t understand how it’ll work
how you flash miui after /e/?
The same way i flash /e/ after miui 10
ok so just flash miui oreo after miui pie same way you flash /e/ if you cant flash via fastboot.
For those who have the same problem : DON’T DO THAT !!! I just brick my phone …
When i was looking for solving the brick problem i found a forum post that saying xiaomi equiped their phone with antidowngrade “functions” and put oreo instead of native pie is not so easy.
It seems that there is an unbrick procedure and i will try it but it’s more difficult than
1- boot in recovery
2- wipe Datas
3- flash with the new ROM
I am owner of whyred, Redmi Note 5 Global Version and never had any problems becuse all Miui 10 no mater oreo or pie have arb4 only some old miui 9 have arb3, so maybe you flash wrong firmware or you have Chinese version or Indian which has Pro in it name.
I’m having exactly this issue, coming from latest MIUI 10 Pie, I can’t use neither mobile network nor camera
because you need flash latest oreo first, different firmwares.
Hmm, yeah, I understand, but Xiaomi has a Anti-Roll Back Protection, so is not that easy, besides, I don’t know where to find an original and trustable old version, so I prefer waiting a Pie build of /e/ or flashing normal Lineage OS. Or I don’t have much experience building but I may could try building an unofficial build of /e/ Pie.
all miui 10 have abr 4, only old version of miui 9 have arb 3, i also own this device, so i know what im talking about, latest oreo for fatboot https://bigota.d.miui.com/V10.3.1.0.OEIMIXM/whyred_global_images_V10.3.1.0.OEIMIXM_20190426.0000.00_8.1_global_8fe177760d.tgz, also you can try this [UNOFFICIAL BUILD] A Pi/e/ test ROM for the Xiaomi Redmi Note 5 Pro "whyred" but better flash oreo than insyall official /e/ so you can get otas
i forget to ask what version of redmi note 5 you have? global or indian? if indian (with Pro in its name) previos link wwith fastboot rom will not work, you can search here https://mirom.ezbox.idv.tw/en/phone/ its not officiall website, but links for roms are oficiall.
Right, mine is global Redmi Note 5 (Whyred), thanks!
indian version also called “whyred”, thats why im asking.
I know, I also suffered a lot trying to find latest Fastboot ROM for my device when I bought it, what a mess of names Xiaomi did 
Pie -> Oreo or Nougat does create issues . Had a similar experience while testing on the Xiaomi MiA1. Sim not getting detected. Had to revert to Stock Pie and later test /e/ Pie ROM.
Finally! After a lot of trial and error found Oreo based miui then flashed /e/
Sim and camera working.
I will post about the overall experience in a month or so.
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