A damaged battery can stop an Iphone to use recovery and DFU mode?

Submitted by Puzzleheaded_Use_759 t3_116pcbv in iphone

I have an Iphone and the iOS is not booting. It restarts endlessly. The Apple logo shows, then dissapear, the screen turns off and the cycle repaeats I'm trying to access to DFU and recovery mode but non of them are working. I heard that when the OS doesn't boot is probably a battery problem. But I want to know if the battery problem won't let me enter this two modes.

Thanks

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ToffeeCoffee t1_j9848jh wrote

Yes. To function properly the phone needs a working battery. Usually if it's just degraded down to 80% or whatever, the battery is still very functional - you just won't get much out of it before needing to recharge.

If the battery has developed some sort of fault or has a failed cell or has super degraded or whatever, then yeah it can cause a multitude of issues, because the phone isn't designed to operate with such a battery, whatever the mode.

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Puzzleheaded_Use_759 OP t1_j98khq6 wrote

Thanks. But, for example, right now the Iphone has cero energy left. The boot loop can be solved if I fully charge the device?

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MangyCanine t1_j97zkq7 wrote

I don't know how true it is, but I've heard that a significantly degraded battery can cause DFU boot loops. Not sure why, but maybe DFU mode temporarily shuts off charging, the battery is too degraded to power the iPhone, and the iPhone shuts down.

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jaroftoejam t1_j98g7p1 wrote

What leads you to believe that the battery is the culprit? A boot loop could be caused by many different things. If the only sign-of-life is when the charging cord attached, then it would probably be the battery. If not, then you’re probably barking up the wrong tree.

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Puzzleheaded_Use_759 OP t1_j98k5hf wrote

Yes but it's a boot loop that doesn't let me get into the recovery mode. So that's why I think that it can be related to the battery. Right now has no power left. When I connect it to the power source and charges a little, it starts to do the cycle that I explained. If you have more info about the boot loop I would like you could share it pls

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jaroftoejam t1_j98qj0j wrote

Was the phone near its maximum storage capacity? Had the phone gotten wet (particularly near the ear speaker)? Or dropped? Did you notice anything directly before the boot loop started?

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Puzzleheaded_Use_759 OP t1_j99tyr3 wrote

  1. I don't think it was full or close to be full
  2. No
  3. Nothing particular. I turned it off one time and when I turned it on again started the loop
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jelflfkdnbeldkdn t1_j9amvyj wrote

usually boot loop is an indication of another error....

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