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[bug?] XA2 4113 loading / not loading / loading with some chargers [duplicate]

asked 2019-05-17 11:51:03 +0300

ehakkarainen gravatar image

[bug?] XA2 4113 loading / not loading / loading with some chargers - just flashed back to SFOS after using Android for a while (sidenote: a bit disapointed to see the quality STILL going down continuosly)

Anyways - after plugin the phone to a charger I've been using for months without any problems with the same XA2 in Android - now the SFOS says ping - loading - and after a few second again ping - loading - and after a few second again ping - loading - and after a few second again ping - loading

Tested with laptop USB - working fine - tested with another charger - working fine - tested with another charger - again the same bug

=> it seems that SFOS/XA2 is very sensitive about chargers?

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The question has been closed for the following reason "duplicate question" by Sakke
close date 2019-05-18 11:18:30.347211

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I can only report that I never had any such problems with various chargers and cables. Even with old 500 mA chargers.

SagaciousT ( 2019-05-17 12:09:50 +0300 )edit

It's a fact that the XA2 need some time to find the right charging-profile. Most of the time it ends with 5V about 2,5A. My best charger for this phone is the Samsung EP-TA20EWE. Mostly it uses the 9V charging mode, but not all the time... Another option is an PD Charger, which continuously uses 2,5A @5V without "ping-pong".

Don't waste time and money for QC3.0 charger, they are too unstable with this phone.

Tonno ( 2019-05-17 16:19:20 +0300 )edit

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answered 2019-05-18 11:18:16 +0300

Sakke gravatar image

I can confirm this behaviour (XA2 dual sim) on those chargers that support Qualcomm's Quick Charge 3.0 so it's definitely the cause for profile switching. I've been able to use this QC3.0 once on my XA2 without any issues but most of the time the charging is just this on and off cycle. I've been using only the normal Sony's XA2 charger that came on box and no issues with that.

On the other hand, this is a known bug and there are lots of duplicated questions that have been asked earlier and you can take a look of those from the following links: https://together.jolla.com/question/204982/fast-charging-from-sony-uch12quick-chargetm-30/ https://together.jolla.com/question/204788/charge-bug/ https://together.jolla.com/question/198888/xa2-screen-turns-on-and-off-while-charging/

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Asked: 2019-05-17 11:51:03 +0300

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