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custom roms do not boot up

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Eddyb299

Member
Oct 15, 2018
17
2
15 days wait. Stuck on the boot logo. only boot up when miui is flashed. Directly Booted to the recovery. I didn't flash Lazy Flasher. I'm trying the entire process now. what happens I'll let you know. Thanks.
 
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daemonicvs

Senior Member
Mar 5, 2015
56
16
Miui global won't boot if not used lazy flasher.

but he said only miui is booting up ;D and i never used lazy flasher and miui always booted up

15 days wait. Stuck on the boot logo. only boot up when miui is flashed. Directly Booted to the recovery. I didn't flash Lazy Flasher. I'm trying the entire process now. what happens I'll let you know. Thanks.

ok. does it really stick? or did u just not wait long enough? first boot takes several minutes ,o

did u try oreo and pie roms? what about nougat based roms? could u boot up into other recoveries yet?
 

daemonicvs

Senior Member
Mar 5, 2015
56
16
Odd, are you using miui global, it never booted for me unless i flash lazy flasher after flashing twrp. Even in the official guide there says flash dm-no-verity zip aka lazy flasher. :eek:

i dont use miui normally but when i tried 2 solve my prob i installed it several times and booted up. yes. global version. i never heard of lazy flasher before ^ never used it and miui always worked fine (the few seconds it was up ;D))
 
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ourcreator

Member
May 27, 2017
15
0
Hi personally I followed These steps to successfully boot a custom rom in unlocked redmi 5a which runs either Oreo stable or beta. First flash Oreo based custom recovery via fastboot, install nougat stable miui rom zip, install nougat based custom recovery zip or flash img, boot to recovery, wipe everything except microsd or USB otg, install custom rom zip from SD card or otg drive, boot to system, you are done.
 

elemefaaoo

Senior Member
Jun 28, 2018
358
72
21
Kasaragod
Hi personally I followed These steps to successfully boot a custom rom in unlocked redmi 5a which runs either Oreo stable or beta. First flash Oreo based custom recovery via fastboot, install nougat stable miui rom zip, install nougat based custom recovery zip or flash img, boot to recovery, wipe everything except microsd or USB otg, install custom rom zip from SD card or otg drive, boot to system, you are done.
Check this out
https://forum.xda-developers.com/xi.../twrp-3-2-3-2-riva-oreo-t3892510/post79266084
No need to download 1.25 GB ROM.
 
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ourcreator

Member
May 27, 2017
15
0
Thanks didn't aware of that super tool. Anyway can you tell me TWRP asking for password to decrypt/mount data after flashing nougat based TWRP over the Oreo but I haven't set any lock method or encryption and even didn't boot up to nougat rom either, so I had to change file system to ext2 to get back data partition. Is it a bug?
 

elemefaaoo

Senior Member
Jun 28, 2018
358
72
21
Kasaragod
Thanks didn't aware of that super tool. Anyway can you tell me TWRP asking for password to decrypt/mount data after flashing nougat based TWRP over the Oreo but I haven't set any lock method or encryption and even didn't boot up to nougat rom either, so I had to change file system to ext2 to get back data partition. Is it a bug?
It is because of encryption, just format data in wipe settings, it will fixed.
 

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  • 1
    hi there,

    i used crDroidAndroid-8.1-20180606-riva-v4.3 but there were color problems i didnt know 2 fix so i decided 2 flash a new rom resp. a newer version but no custom rom boots up.

    when it tries 2 boot is freezes at the boot screen, then screen switches off and nothing happens. i can go 2 fastboot and recovery.
    sometimes it boots up but after a few seconds it freezes 2.
    i tried different roms and recoveries but nothing works.
    i foolishly wiped internal storage once but then i flashed the stock rom again which boots up. then i unlocked the bootloader and flashed a custom recovery and a rom again but the same error is there (no booting up)

    anyone got a solution for this problem? no unbricking suggestions plz :)

    edit: im in the wrong thread i think. i wanted 2 post it in "Guides, News, & Discussion". cant delete it. sry for that :eek:
    1
    logs

    so i managed 2 create logs while booting up.

    1) https://pastebin.com/cgrX2DA1

    2) https://pastebin.com/r7DmcN46

    3) https://pastebin.com/0pwXyuys

    4) https://pastebin.com/S41FG2SQ

    1) is 1st part of the log while booting with no success to boot into the os.
    2) is 2nd part of the log while booting with no success to boot into the os.
    3) is 1st part of the log while booting with successful boot into the os.
    4) is 2nd part of the log while booting with successful boot into the os.

    i also tried 2 log "cat /proc/last_kmsg > /sdcard/last_kernel_message_log.txt"
    and "dmesg > /sdcard/kernel_boot_log.txt" via terminal in linux but it only sais file or directory not found.

    i hope sum1 can give me sum help now.
    1
    so i did this https://en.miui.com/thread-3921604-1-1.html but it doesnt help. as i expected.

    any1? i can post more information if necessary. just say which and perhaps how ;D
    1
    cmon guys. i can impossibly b the only 1 who faces this problem.

    i dont think its a hardware thing cause stock rom and android 7.1.2 (viper os) work. maybe a vendor problem? could flash another vendor img solve this problem? can sum1 send me his?

    i got sum more logs after flashing rr 7.0:

    logcat 1st part: https://pastebin.com/EBZAgbhF
    logcat 2nd part: https://pastebin.com/qaMFrvxi
    dmesg: https://pastebin.com/Gg8bYkJy

    cheers
    1
    Fastboot flash latest miui 10 stable using mi flash tool and use the rom after setting up. Then flash custom recovery and do a full wipe.

    This works for most cases.

    thx for ur answer but i tried this already. does not work on android 8 and 9 roms :(