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Astronaut

S10 stuck in bootloop, can't access safe or recovery mode, and system keeps failing system update

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Last week I decided to let my Galaxy S10 preform a system update that had been pending for a while, but ever since then, it's kept my phone in a constant bootloop that I can't seem to exit no matter what I do.

 

The process generally goes from no power, then a simultanious vibration and samsung/knox protection screen, to darkness again, then rinse and repeat as long as the battery has power.

 

I tried booting it into safe mode but since the screen never reaches the second logo in the boot process, I assume it'll never work. I also tried booting it into recovery mode, but rather than popping up with a menu, sometimes it attempts to install the system update again with no luck, and reverts back into the bootloop, or sometimes has a split second scenario which looks like it's loading the recovery mode menu, where the "Installing system update" screen appears for a quarter of a second, then followed by an error screen for another quarter of a second. It never reaches the menu however, as the screen goes black afterwards, and resumes the bootloop issue once more.

 

I can access the download mode screen just fine however, which leads me to wonder if flashing a system update externally would work at retrieving the phone and all it's data? It does say that FRP is On, however, making me wary before proceeding with any custom downloads of any sort.

 

Any idea what I can do to fix this, or advice for using the custom download mode in general?

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Product Expert

Re: S10 stuck in bootloop, can't access safe or recovery mode, and system keeps failing system updat

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Hello @CaselessJoe ,

 

Because you have done all of the basic troubleshooting youve reached the step where you need to have the device  inspected by a technician. To do so you can either mail in to Samsung or go into your local certified Samsung facility. Im going to provide a link that allows you to choose between which you would like to do. I wouldnt reccomend attempting to download any customer software. 

For Samsung Care Authorized locations near you:

https://www.samsung.com/us/support/service/

 

 

Hope this was helpful!
Be sure to click " ✓ Accept as Solution" if your question was resolved. If not please follow up for more assistance. 

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Product Expert

Re: S10 stuck in bootloop, can't access safe or recovery mode, and system keeps failing system updat

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Hello @CaselessJoe ,

 

Because you have done all of the basic troubleshooting youve reached the step where you need to have the device  inspected by a technician. To do so you can either mail in to Samsung or go into your local certified Samsung facility. Im going to provide a link that allows you to choose between which you would like to do. I wouldnt reccomend attempting to download any customer software. 

For Samsung Care Authorized locations near you:

https://www.samsung.com/us/support/service/

 

 

Hope this was helpful!
Be sure to click " ✓ Accept as Solution" if your question was resolved. If not please follow up for more assistance. 

View solution in original post

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Product Expert

Re: S10 stuck in bootloop, can't access safe or recovery mode, and system keeps failing system updat

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This definitely sounds like a hardware issue and must be addressed at a repair center. If you want to find a repair center in your area, click on the link below and enter your zip code. Before you go the repair center, I highly advise you to backup all information on your phone if possible to avoid any data loss. Also be sure to call ahead before making your trip to the repair center. All the contact information is on this link once you enter your zipcode. https://www.samsung.com/us/support/service/locations/?product=N0052144

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Constellation

Re: S10 stuck in bootloop, can't access safe or recovery mode, and system keeps failing system updat

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I got same issue with S7 last night... Its not booting et all. Stuck at "recovery booting..." screen.  Smiley Sad

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