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7 Things to Know About the iPhone 5s iOS 12.5.5 Update



You Can't Downgrade from iOS 12.5.5

You Can't Downgrade from iOS 12.5.5

If you can't stand iOS 12.5.5's performance on your iPhone 5s, note that you no longer have the ability to downgrade your device's software.

Apple stopped signing on iOS 12.5.4 which means you can't use a loophole to get your device off of iOS 12.5.5. 

The company isn't signing on iOS 12.5.3 or any older versions of iOS 12 either so there's no way back to those versions of iOS.

There's a chance iOS 12.5.5 serves as the final software update for the iPhone 5s. So if you're running an old version of iOS 12, and you're having a good experience, proceed to the latest firmware at your own risk. 

If you're unfamiliar with the downgrade process, take a look at our guide




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  2. Tan

    03/18/2019 at 9:16 pm

    I bought my iPhone 5 plus 6 months ago. It urged me to upgrade from iOS11 to iOS 12. I did as instructed but encountered a big problem – I couldn’t recharge the phone. I took it back to the dealer and it somehow fixed it. They told me that there was a problem with iOS 12 for older phone, and one of the problems was refusing to recharge. I am now a bit worried about upgrading to iOS 12.1.4. Please advice.

  3. Shelley

    09/04/2019 at 7:07 pm

    My iPhone 5S won’t let me backup the phone, it keeps saying there was an error! I got a new battery and it keeps running down quickly so I wanted to reset the phone but I need to backup the phone first. I did the upgrade but it still won’t let me backup! Does the cord make a difference?

  4. Ken Ramos

    01/29/2021 at 12:28 pm

    I upgraded my, original still used, 5S a couple of days ago when I saw the 12.5.1 update. Now when my phone hits 50-60% battery it goes dead. I turned it off then back on and got 20 seconds of 4X?% battery then it shut off again and would not come back. Something seems to be going on to me but not sure. It is the original batter but hadn’t had problems before I did the upgrade.

  5. Jim

    05/24/2021 at 3:34 am

    My iPhone 5s has be restarting almost every two to three minutes since the moment I updated to iOS 12.5.3 this is so frustrating

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