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Cosmic Ray

Samsung A71 - latest update, fast charging slower than slow charging.

I updated my A71 to the latest update, (Oct2020), and ever since then, the phone charges extremely slowly when in fast charge mode (2 hours+) to full charge. I have been using the charging block and cable that came with the phone since day 1.  

 

10%  charge takes 20mins now.

 

Does anyone know how to fix this issue, or are you facing something similar ? Any help will be appreciated, the fast charging was great till this update. 

10 REPLIES 10
Astronaut

Re: Samsung A71 - latest update, fast charging slower than slow charging.

can't help, but I have an unlocked A71 5g, and still have not gotten the update. when I do, I will see if I have the same issue.
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Cosmic Ray

Re: Samsung A71 - latest update, fast charging slower than slow charging.

Thank you!

 

It happened after the OneUI 2.5 update.

If it doesn't affect you, that means the 5g version doesn't have the issue. 

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Astronaut

Re: Samsung A71 - latest update, fast charging slower than slow charging.

I recently got the 2.5 update, haven't noticed any issues charging with the unlocked A71 5g version.
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Cosmic Ray

Re: Samsung A71 - latest update, fast charging slower than slow charging.

I See, does it mention how many minutes it will take to 10 percent ? Mine is 20 mins for 10% charge.

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Astronaut

Re: Re: Samsung A71 - latest update, fast charging slower than slow charging.

I usually don't get that low on battery, but I will try this weekend and let you know.
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Cosmic Ray

Re: Re: Samsung A71 - latest update, fast charging slower than slow charging.

In that case, when it's at 90% battery level, just check how many minutes it takes to get to 100%. It might be easier for you. Mine says 20 mins on the lockscreen, to go from 90% to 100%. 

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Astronaut

Re: Re: Re: Samsung A71 - latest update, fast charging slower than slow chargi..

says Super fast charging 88% 24 minutes until full.
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Astronaut

Re: Samsung A71 - latest update, fast charging slower than slow charging.

first time I really paid attention to charge time, you might be on to something.
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Cosmic Ray

Re: Samsung A71 - latest update, fast charging slower than slow charging.

Thank you for checking!

 

So it is happeneing to others as well. I am doing a series of timed tests with fast charging turned on and off.  I will make a new post with that soon.  According to the tests from reviewers it should be 50 secs per 1% battery charge, or a minute per 1% charge to give it some room. 

 

Currently mine is at 2mins per 1%, and looks like so is yours. 24 mins for 12% charge.

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