Phone dead for a while, plugged it in after repairs and no animation?

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Samsung Galaxy S21 Ultra

Repair and disassembly information for Samsung's flagship S21 Ultra Android smartphone, released in January of 2021.

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Harold Dale @hdale85

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发帖于: 2023年9月30日

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Phone dead for a while, plugged it in after repairs and no animation?

I repaired the back and front glass on this phone with a screen/frame assembly (haven't put the new back on yet) but after moving all the parts over to the new frame/screen I plugged it in to verify it was working and there is a charge logo on the screen but it's not animated or anything and it just stays there. It's been a long time since I used this phone (maybe a year? I bought a new one when it broke) so I don't remember exactly what it should do after being plugged in but it was dead for quite a while.

Question I have is would it do this if the battery was dead or damaged from swapping it over? Or does it just need to charge a while?

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King0fSpades05 @kingofspades

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Hi, it sounds like you have successfully repaired the screen and frame of your Samsung Galaxy S21 Ultra, but the phone is not showing any signs of life. There are a few possible reasons why this might happen, and some steps you can try to fix it.

One reason might be that the battery is completely drained or damaged. If the phone was dead for a long time, it might take a while for the battery to charge up enough to power on the phone. You can try leaving the phone plugged in for at least an hour and see if it turns on. If not, you might need to replace the battery with a new one¹.
Another reason might be that the charging port or cable is faulty or dirty. You can try cleaning the port with a soft brush or a toothpick, and using a different cable or adapter to charge the phone². You can also try using a wireless charger if you have one³.
A third reason might be that the software is corrupted or stuck in a boot loop. This can happen if the phone was interrupted during an update or flashing process, or if it has some incompatible apps or malware. You can try booting the phone into recovery mode and performing a factory reset, which will erase all your data and settings, but might fix the software issue⁴. To boot into recovery mode, follow these steps⁵:
- Turn off the phone by pressing and holding the power button and selecting power off.
- Press and hold the volume up button and the power button at the same time until you see the Samsung logo on the screen.
- Release both buttons and wait for the recovery screen to appear.
- Use the volume buttons to navigate to the option that says wipe data/factory reset, and use the power button to select it.
- Confirm your choice by selecting yes, and wait for the process to finish.
- Select reboot system now to restart your phone.

I hope these suggestions help you fix your Samsung Galaxy S21 Ultra. If none of them work, you might need to contact Samsung support or visit a repair center for further assistance. Good luck! 😊

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So if the battery is dead it won't boot up at all?

由 Harold Dale 完成的 2023年9月30日

@hdale85 Yes, if the battery is fully drained it will not boot up at all. if it has some reserve charge, then it will boot up and show the logo and things before turning off again.

由 King0fSpades05 完成的 2023年9月30日

@hdale85 The safest option is to let it charge overnight while you are sleeping

由 King0fSpades05 完成的 2023年9月30日

Alright I'll let it charge a while. Little leery of letting it charge overnight if by some chance I damaged the battery while removing it from the other frame.

由 Harold Dale 完成的 2023年9月30日

@hdale85 Keep it away from flammable object or materials. I reccomended you doing it while sleeping because people get curious and mess with their phones while their charging. So if you dont want to charge it overnigh, leave it ont he charge for 3-6 hours and while it is do not touch it, even to check how if it is charging or not.

由 King0fSpades05 完成的 2023年9月30日

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@hdale85 Yes, if the battery is fully drained it will not boot up at all. if it has some reserve charge, then it will boot up and show the logo and things before turning off again. — King0fSpades05
@hdale85 The safest option is to let it charge overnight while you are sleeping — King0fSpades05
Alright I'll let it charge a while. Little leery of letting it charge overnight if by some chance I damaged the battery while removing it from the other frame. — Harold Dale
@hdale85 Keep it away from flammable object or materials. I reccomended you doing it while sleeping because people get curious and mess with their phones while their charging. So if you dont want to charge it overnigh, leave it ont he charge for 3-6 hours and while it is do not touch it, even to check how if it is charging or not. — King0fSpades05

Samsung Galaxy S21 Ultra

Phone dead for a while, plugged it in after repairs and no animation?

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