Cant install TWRP keeps failing - Samsung Galaxy S8 Questions and Answers

Hi Gurus,
I need some assistance Now for the long story lol......I have a S8 (G950F) and previously was running Sac23 S9 Ported Rom V1 Dolby & Ar 3d Emoji Working with TWRP and VM-derity all was working amazing but i got new phone and was going to give the S8 to my wife so i wiped data, cahce and dalvik and the phone wouldnt boot - it just sat at the Samsung logo, I had made a backup of system, efs and boot so i restored that in TWRP and the phone still wouldnt boot, I cleared the cache and Dalvik several more times and same issue so i decided to format the device and try re-flash the ROM but i got the system recovery error, I then tried flashing 2 x ROMS downloaded from Samfirm - Telstra and Optus and a German one and the yall wouldnt flash they got stuck half way through system.img so i swapped laptops and got them to flash i flashed all 4 with Odin and got the phone to boot up BUT i want to flash custom ROM again so i tried flashing TWRP but it fails, I tried a few different versions of TWRP and all fail at same point, I did some re-search and found that OEM unlock is missing in developer options could this be why? I checked download mode and it says OEM unlock Off, can anyone assist??

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[Q] Special Problem All Rom's won't boot up the second time after flashing

Dear XDA Members
I have a Galaxy s4 GT-I9505 i had an old version of Omega Rom on my galaxy and everything was workin smooth. But i decided to flash a new rom and do a factory reset and delete all data then i flashed A modifyed stockrom with TWRP it was working fine until i restarted the phone and it stuck on the galaxy s4 Boot logo so i went to recovery and flashed it again with wipe/dalvik etc. I saw in TWRM the system was unmounted so i mounted it again. and flashed the same rom again. it was booting and after i was able to us the rom again until i restarted the phone and it stuck again
I then downloaded the Google stock rom for s4 and flashed it via TWRP after i could start the rom and could use it but when i restarted the phone it was stuck again on s4 boot logo. After dath i wiped and factory reseted many times and tried 3...4 other roms but i allways had the same problem.. i also tried an original stock rom via ODIN but this wont start at all. One thing i mentioned in TWRP under Mount it allways kiks out the System mount.
I tried to fix it for 8h now and cant find a way.. so i need Your help have you got any Idea what is wrong with my galaxy ?
thanks in afford

Problem with recovery TWRP 3.0.2-0

Hi guys,
some weeks ago I upgraded my recovery from 3.0.1 to last version (3.0.2-0).
I made the upgrade by the official App (downloaded from Play store). No problem at the first look. But some day ago I tried to made an upgrade to my custom rom AryaMod 8.1 to 8.3) and during the flash the device has been rebooted and the upgrade of the rom has failed. The device is ok and all functional. I have thought at an error. Not important in this case.
But to day I have made a good backup of all my data and (after a full wipe of Dalvik, Cache, Data and System) I re tried an change of custom rom with a new one Rom (DarkWolf_FW Galaxy S7 Edge Port][V2]) on my device.
The some result as the previous upgrade. The device has been rebooted after some second during the flash of the rom. At the device restart no OS or Data (locked on "Note 3" startup logo) but this is normal after a full wipe.
Furtunaly I restored my backup (made by recovery) and everything is back to normal situation before the wipe.
My question is... Some guy have found a similar problem with the new release of the recovery TWRP 3.0.2-0?
My device is a Samsung Galaxy Note 3 (Qualcom international)
I have had the same issue with some roms.
Touchwiz roms often fail to update and the recovery boots into recovery again.
No errors, just random reboot at initiating the installation.
CM13 and latest AOSP roms seem to flash without any issue.
Try going back to 2.8.7.X it will work.
Too bad you will loose the theme and glossiness of TWRP3
***
Also please backup your data on your computer if your partitions are f2fs while downgrading.
You cannot use twrp 3 for aroma zip.
Sent from my SM-N920C

How can I revert to factory state in my Leeco Le s3 (x522 US variant)

Hi friends! I really feel frustrated with this phone.
I began by using fastboot to flash TWRP (twrp-3.1.1-1-s2), used it to flash Lineageos 13.0, but IR BLASTER doesn't work, then I flashed 14.1 and IR blaster, Sim detection, flashlight and camera don't work correctly, I tried Resurrection remix and MIUI8 too but I gave up, neither of those Custom Roms works as I wanted them to.
So I went back to EUI and all was well until I wanted to update OTA, it gave me an error every time, tried to do it with update.zip but nothing, using stock recovery and nothing. I used TWRP and wipe everything again, now this thing won't start it just bootloops, I tried everything for two days and every time I use a stock ROM (5.8.020s) it gives me an error, or tells me it can't be read. When I factory reset and format everything it tells me I dont have an OS installed, so I'm completely lost I don't know what else to do and I can't return the phone because I'm overseas right now.
I really need to have it as when I got it the first time because at least it was functional but I just can't get it to work
I could really use some help right now :crying: thanks in advance guys!
Nikodominiko said:
Hi friends! I really feel frustrated with this phone.
I began by using fastboot to flash TWRP (twrp-3.1.1-1-s2), used it to flash Lineageos 13.0, but IR BLASTER doesn't work, then I flashed 14.1 and IR blaster, Sim detection, flashlight and camera don't work correctly, I tried Resurrection remix and MIUI8 too but I gave up, neither of those Custom Roms works as I wanted them to.
So I went back to EUI and all was well until I wanted to update OTA, it gave me an error every time, tried to do it with update.zip but nothing, using stock recovery and nothing. I used TWRP and wipe everything again, now this thing won't start it just bootloops, I tried everything for two days and every time I use a stock ROM (5.8.020s) it gives me an error, or tells me it can't be read. When I factory reset and format everything it tells me I dont have an OS installed, so I'm completely lost I don't know what else to do and I can't return the phone because I'm overseas right now.
I really need to have it as when I got it the first time because at least it was functional but I just can't get it to work
I could really use some help right now :crying: thanks in advance guys!
Click to expand...
Click to collapse
So I managed to fix the problem. When you root this phone or in fact just flash a custom recovery like TWRP, it changes the model of the phone, If you unroot the phone you won't be able to receive OTAs anymore even if you are on stock ROM, you'll always get an error at the end of the update even if you do it manually, if you are dumb like me and didn't make a backup of your stock system, you won't find any help on the internet more than to install a custom ROM and learn to live with the errors and bugs. I did not want that so to be able to get the phone to its factory state, what I did was this:
1. Download: stock recovery image for Le s3 x522 (official, you can find it anywhere), LeEco_X522_5.8.019S_OTA.zip, bootloader-20S-s2.zip, twrp_s3.img (the chinese TWRP recovery) and S2_X522-NA-OP-IFXNAOP5802102141S-5.8.021S.zip
2. Save those zips to the root of the phone, obviously the .img files you are going to flash them through your PC
3. Put the phone in bootloader mode. command: fastboot flash recovery recovery.img (the official recovery)
4. fastboot boot twrp (the chinese one)
5. From this step what I did was pure luck
6. wipe cache and dalvik and install LeEco_X522_5.8.019S_OTA.zip
7. wipe cache and dalvik and install bootloader-20S-s2.zip
8. wipe cache and dalvik and install S2_X522-NA-OP-IFXNAOP5802102141S-5.8.021S.zip
9. Reboot
How and Why did this worked I don't know, I am a noob but please try if you find yourself in the same situation as I was, you don't lose anything with trying, if this doesn't work don't blame me, this worked for my phone.
Greetings friends!
Thanks for putting this guide together, I am in a similar situation in that I reverted to stock everything (1. Installed YDSS chinese twrp, 2. Installed S2_X522-NA-OP-IFXNAOP5802012141S-5.8.020S.zip. This flash was supposed to have installed the stock recovery and overriden the ydss twrp, but didn't, I had to manually flash that after. Everything came back smooth but my updates also failed at recovery.
I am wondering where you got the LeEco_X522_5.8.019S_OTA.zip, bootloader-20S-s2.zip & twrp_s3.img from?
Nice to hear you finally got it to work ! Aren't the X520 and the X522 the same phone ? Why official ROMs are not compatible ?

SM-N9005 stock firmware problem recovery booting loop

I recently picked up my old note 3 and wanted to use it as a gps for my car, but when i tried to start it i noticed it still had some weird rom form a few years back installed. So i went to sammobile to grab the newest official rom and flashed it with odin. That is when the trouble started.
Odin stated that the flashing proces was successful but when it automatically rebooted i was given an unpleasant surprise.
My good old phone kept rebooting to the samsung galaxy note3 logo with the text the top left which stated: "recovery booting....".
My first instinct was that i had to go to the recovery to format cache and data, but the problem was that the recovery wasn't reachable.
So installed twrp 3.1.1.0 which I've used before, but still no luck after doing a factory wipe.
After all of this i've never been able to enter the stock recovery, even after again re-flashing the stock rom.
does anyone have an idea how to fix this.
Search multiple identical posts.
Suggest older 2.8 TWRP.
I inded find some older posts, but none of them discribe this problem. I tried to use twrp 2.8.7 amd that will give me a recovery to work with. But it still won't boot afterwords.
I can flash the older 4.4.3 firmware and it will boot with no problems. But when i try to update it with a newer version, it gets stuck again
Its probably a bootloader problem .
Phone Info from playstore and post bootlader etc.

Custom ROM not working anymore

I have a j3 2016 (j320fn to be exact) and i recently decided to download twrp and flash a rom, i flashed a marshmallow port from j210f and it worked , i was so happy, but one day i went into developer options and i accidentaly disabled them, i turned them on again but forgot to turn on OEM onlock, the next day i turned on my device it couldn't boot, it just said frp lock, so installed the stock firmware with Odin, and the device worked again, i installed twrp again to flash the rom, but this time, things were different, i wiped dalvik, cache, system, etc... and flashed it. It booted into the rom, but when it was on the select language part, it restarted and bootlooped, can somebody please help, i adore this rom and i dont want to have the stock one

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