I've owned my A5 2017 (SM-A520F) for about 18 months now. I rooted it and pushed a slightly modified rom to it pretty much as soon as I got it.
Up until a few days ago the battery drained and it turned off. I expected it to boot right up after charging it but the device now is FRP locked and won't boot.
I've searched far and wide and it seems that the only reasonable solution to do is to flash the phone with stock firmware and the issue should resolve but I'm having troubles with this.
Finding stock samsung firmware is not easy. The first FW i tried resulted in an error about some version mismatch, which lead me to believe that i need a marshmallow rom instead of nougat as the phone had marshmallow on it when i bought it. The second firmware didn't result in an error - but the flash (in odin) finished in 0.2 seconds and was a "SUCCESS" but AFAIK nothing was done to the device.
I'm OK with losing the data on the phone, i just want it to be operable, so i can keep it as a backup device.
What are my options?
Finding an official firmware is not hard at all. Open this link: https://www.sammobile.com/firmwares/galaxy-a5/SM-A520F/ , find your country and download the latest firmware. After you have downloaded the firmware, extract it and put all the necessary files in Odin (be sure to have the latest running version). The flashing should take about 5-10 minutes, I don't know why or how your flash finished in 0.2 seconds... I hope I helped you
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Hi there, I have the above device with unlocked bootloader. It was rooted but I had a problem where the tablet kept rebooting but only after it loaded Android. No amount of following guides fixed it and Recovery and Fastboot were throwing g up problems whenever I tried to flash anything.
Eventually, I managed somehow to switch it on to Chinese update cycle I think and update the ROM with the latest official Chinese EMUI through multiple reboot loops (it downloaded about 10% of the update each time before crashing and getting the next chunk of download next time).
So I'm currently on the latest Chinese ROM running android 5.1.1 and it started working again. However the ROM came without gapps included so I flashed TWRP and installed gapps and I'm back to the reboot cycle. It lasted a long time before restarting again though so I'm guessing it's to do with gapps trying to update.
So I'm back to square one again. Any ideas? Is there any kind of log I can provide to help diagnose? I still have TWRP and have access to that without the bootloop starting again..
How did you rooted it?
Hi! I have a big problem with my A5 2017. Today my phone pop-up the Oreo update, so I was decided to install it (finally!). First of all, I want to appoint that I have bought this phone from the carrier Claro in Argentina. Everything was fine, it downloaded the 1.56 GB of the OTA update but the problem was during installation. It got stuck at 32%, it failed. It rebooted and then an error message pop up to confirm to send to Samsung. I pressed yes and I gave it another shot and again stuck at 32%. Since I wanted to have Oreo so bad, I opened Smart Switch to update it with my laptop and the USB cable. Here's where all the drama began, Smart Switch recognized my phone and the new update, I pressed yes and I waited for the download. Everything was fine, I though that I was going to have Oreo on my phone. It began installing the update and all of the sudden it got sutck at 92% and again an error appear on screen. I pressed ok and this time there was another message saying that I have to use Emergency recovery option from Smart Swicht, I thought there wouldn't be a problem but when I procceded I had to past a code to recover my phone which I did but then it took 4 hours to download the emergency firmware to recover the previous firmware. When everything was set to installation the progress bar got stuck again at 90% this time. Now, I don't know what to do, I have this permanent message on screen "An error occurred while updating the device software. Use the Emergency recovery function in the Smart Switch PC software." I can't turn off my phone, I can only use the download mode. So my question is what Software do I have to flash in order to recover my phone? I'm downloading the Oreo update (which gave me problems before) but honestly, this is the first time that happens something like that. Do I have to flash Nougat like I had? I'll trip knox I guess but right now I can only think off flashing the lastest firmware through Odin. What would you recommend me to do? Thanks in advance!
pavelvlach said:
Hi! I have a big problem with my A5 2017. Today my phone pop-up the Oreo update, so I was decided to install it (finally!). First of all, I want to appoint that I have bought this phone from the carrier Claro in Argentina. Everything was fine, it downloaded the 1.56 GB of the OTA update but the problem was during installation. It got stuck at 32%, it failed. It rebooted and then an error message pop up to confirm to send to Samsung. I pressed yes and I gave it another shot and again stuck at 32%. Since I wanted to have Oreo so bad, I opened Smart Switch to update it with my laptop and the USB cable. Here's where all the drama began, Smart Switch recognized my phone and the new update, I pressed yes and I waited for the download. Everything was fine, I though that I was going to have Oreo on my phone. It began installing the update and all of the sudden it got sutck at 92% and again an error appear on screen. I pressed ok and this time there was another message saying that I have to use Emergency recovery option from Smart Swicht, I thought there wouldn't be a problem but when I procceded I had to past a code to recover my phone which I did but then it took 4 hours to download the emergency firmware to recover the previous firmware. When everything was set to installation the progress bar got stuck again at 90% this time. Now, I don't know what to do, I have this permanent message on screen "An error occurred while updating the device software. Use the Emergency recovery function in the Smart Switch PC software." I can't turn off my phone, I can only use the download mode. So my question is what Software do I have to flash in order to recover my phone? I'm downloading the Oreo update (which gave me problems before) but honestly, this is the first time that happens something like that. Do I have to flash Nougat like I had? I'll trip knox I guess but right now I can only think off flashing the lastest firmware through Odin. What would you recommend me to do? Thanks in advance!
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You can get out of download mode by holding volume down and power button until screen goes black. If it was me, I would download the latest oreo firmware for your model and flash it in Odin. If that didn't work I would huck it across the floor. JK
iloveoreos said:
You can get out of download mode by holding volume down and power button until screen goes black. If it was me, I would download the latest oreo firmware for your model and flash it in Odin. If that didn't work I would huck it across the floor. JK
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Yes, I did it. I've managed to download the lastest firmware, oddly the one that won't install via OTA or Smart Switch. I was wondering if I can flash an unbranded version from my country the next time, I couldn't do it the last time with Nougat. How can I do it if my phone is from a company? Thanks for your answer!
I hope this post help if someone has the same issue after updating an erroneous firmware from Samsung servers via OTA or Smart Switch. My company is Claro from Argentina. My solution was to download the latest firmware from sammobile's site and flash it though Odin. This phone with Oreo is amazing! Cheers.
pavelvlach said:
Yes, I did it. I've managed to download the lastest firmware, oddly the one that won't install via OTA or Smart Switch. I was wondering if I can flash an unbranded version from my country the next time, I couldn't do it the last time with Nougat. How can I do it if my phone is from a company? Thanks for your answer!
I hope this post help if someone has the same issue after updating an erroneous firmware from Samsung servers via OTA or Smart Switch. My company is Claro from Argentina. My solution was to download the latest firmware from sammobile's site and flash it though Odin. This phone with Oreo is amazing! Cheers.
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Click to collapse
It should work to flash unbranded firmware, but I am not sure what would happen with your CSC. Personally, I would stick with the right one. But if you you want to change CSC to unbranded, there is a tutorial somewhere on XDA.
Messed up good this time.
I had just upgraded to Android 10 and after twice failing to install TWRP I thought, "Oh yeah I can patch AP with Magisk."
Sure enough there was a new thread just for that.
Only problem is now I can only flash BL, CP or CSC (home too). And only individually. AP will fail at system.img or Vendor.img
Any 2 or more will fail. Only get a pass (except AP of course) on their own
Bootloader is unlocked, OEM unlocked and model is SM-A705MN CHO
Latest firmware was fresh install (working just great before my antics) Android 10
Any help would be appreciated. It's been over 24 hours and I don't think I can do this without help. I've tried every Odin patched or not.
Heimdall? Please no more of that. Jodin? umm not so good.
Thanks
*Phone will go to normal download mode after any of the 3 available successful flashes if I immediately boot back into download mode after the pass. Otherwise I have the update error smart switch screen.
**I had also recently read somewhere that this may be a vaultkeeper issue. I can't find where I saw this! There was a post that had the exact same issue. I apologize for having a terribly slow laptop and patience... what's patience?
I tried again and it worked.
Maybe it was a low charge issue.
I bought a Samsung S9 from a friend, it doesn't get software update. It has been stuck on the old version of Feb/March last year so I decided to update/flash it using Odin. When I checked phone details it shows SM-G960F so I downloaded firmware for my country based on that. I tried to upload the firmware using odin, it failed the first time and wont come on. I tried again, it got stuck on system.img. Its been like that. I noticed that when the phone is in download mode, it shows SM-G960N instead of SM-G960F (Does this have any effect on the firmware not running? Did I download the wrong firmware, should I download based on SM-G960N, mind its characters appear in probably Vietnamese/Chinese i am not sure which). Now I am stuck and dont know how to get the phone back on. Please please someone help me get my phone back on. Any suggestion that will help, will be appreciated.
Yuwahab said:
I bought a Samsung S9 from a friend, it doesn't get software update. It has been stuck on the old version of Feb/March last year so I decided to update/flash it using Odin. When I checked phone details it shows SM-G960F so I downloaded firmware for my country based on that. I tried to upload the firmware using odin, it failed the first time and wont come on. I tried again, it got stuck on system.img. Its been like that. I noticed that when the phone is in download mode, it shows SM-G960N instead of SM-G960F (Does this have any effect on the firmware not running? Did I download the wrong firmware, should I download based on SM-G960N, mind its characters appear in probably Vietnamese/Chinese i am not sure which). Now I am stuck and dont know how to get the phone back on. Please please someone help me get my phone back on. Any suggestion that will help, will be appreciated.
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You've probably figured it out by now, but it's because your phone is a G960N that was probably rooted and/or is running a custom ROM made for the G960F. The language is Korean and flashing a G960N firmware should fix your problem, although, since Odin failed, chances are no changes were made and pressing the power+vol_down should reboot your phone into the old software. I'm in a similar situation now so if you had dug deeper and had found any way to actually transform it into a G960F (should be possible right? I mean, they have the same hardware right??), please let me know thanks!
A few months back I succesfully rooted my a32 4g with no problems, however recently I have decided to go back to stock firmware. After several failed attempts to do so I finally managed to do it, but I only made a backup using the smart switch app for PC. Now my phone is acting very weirdly and I haven't found a way to fix it. It doesn't detect my sim card (which I think is because of the lack of the efs folder). It keeps closing all my apps, Restarts my phone all the time, and also gets stuck in boot loops which can only be fixed with a factory reset. Please help.
You must flash stock firmwere with odin.
pejicgoran said:
You must flash stock firmwere with odin.
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Click to collapse
I have already flashed it several times and nothing changes
Last update (november) is a non rollback one. You must search for firmware from november in sammobile and flash it, if you updated the phone