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This Samsung Tablet was first released in May 2015 and can be identified by its 9.7 inch diagonal screen. The model number of the device is “SM - T550.”

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Reboot loop while on battery only.

My tablet is almost 3 years old and has all latest updates installed. It has been working perfectly for the past few days. Yesterday, while on YouTube, it suddenly shut off (battery was on 45% charge). After that it quickly tried to reboot on it's own but as soon as it shows the Samsung logo, it again shuts off, again turns on to show logo and then off and this loop goes on. But when it was plugged to the charger, it shows that it's charging and then turns on and functions just as before.

What's going on with it? I really suspect a battery problem because I think it also charges irregularly when plugged (when unplugged, it again starts it's reboot loop) because it takes long to charge up, and when unplugged (of course, it shuts off then) and plugged again, it shows an entirely different battery percentage (like, 75% up from 48% a moment before).

In short, my tablet runs perfectly when plugged to the charger, but cannot run nor fully boot up when on the battery only and the charger unplugged (it starts the reboot loop when only on battery)

Should I replace the battery? Or might it be some other problem?

Great thanks for any help in advance :)

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I suggest that you replace the battery as it may be failing to hold its’ charge. Even rechargeable batteries have a lifespan.

Here’s a link to the ifixit Galaxy Tab A 9.7 battery replacement guide, which may be of some help.

A replacement Galaxy Tab A 9.7 Battery is available from ifixit (note the shipping restrictions).

There are other suppliers online that may suit you better. Just search for Samsung Galaxy Tab A 9.7 SM-T550 Replacement Battery to get results.

Immagine Galaxy Tab A 9.7 Battery


Galaxy Tab A 9.7 Battery


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Metilda Benny sarà eternamente grato.
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