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Phone taking more time to charge

Hello
Lately( a week or so) I have been noticing that my phone is taking longer to charge. Before the charging took about 1.5 hours maximum from wall charger. Lately it takes more than 2.5 hours!
I took my charger and checked how much mA it was giving. The range is 770 to 330. On my Nexus if I use the charger, it gives stable 770-750 mA. So I'm sure its not the charger. Nexus 2.1A charger gives 900-980 mA if I use it to charge my Xperia but I'm afraid it might damage my phone.
I know as the battery is charged, less current flows and thus the value starts to drop but why suddenly it is taking more time to charge ? How much heat can affect it? (Really an extra hour if I place it over my microwave which is always off when I'm charging but it is sometimes it's a bit warm.)
Funny thing is I charged it at another plug with same result.(2.5 hours) but sometimes my phone surprises me and charges within 1.5 hours. I can't seem to find out why

check your governor settings, cpu might be working all time

sergioslk said:
check your governor settings, cpu might be working all time
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I even tried by switching off the device.

charging - amperage/current quickly drops to ~440mA regardless of battery %

in the last week my battery no longer "quick charges". i have 'Ampere' installed so i'm used too seeing it charge at around 2800mA. i vaguely understand that phones charge quicker up to around 80% and then at a slower rate for the remaining - it's not this.
when I plug in the, current starts at ~1300mA and climbs to just under 3000mA... and drops to ~440mA in a minute or so.
it doesn't appear to be the cable and/or charging block that came with the phone - using a 1A charger from my last phone gets similar results and i purchased a new cable that's compatible with high speed charging.
i really wanted to love this phone.

I have a Samsung quick Charger from a Note5, and it has never quick charged my PureXL (actually super slow charges it,) but after the last update, I noticed I got an overvoltage error using it....

The reason is that this phone is not quick charge enabled. That's actually something that needs to be built into the SoC + Kernel support. You have a solid 2A charger, it'll go fast, but it can't rapid draw like say, the premium motos or a OnePlus.

TheLastCanadian said:
The reason is that this phone is not quick charge enabled. That's actually something that needs to be built into the SoC + Kernel support. You have a solid 2A charger, it'll go fast, but it can't rapid draw like say, the premium motos or a OnePlus.
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sorry, i don't think i explained myself that well. i'm pretty sure that i've noticed a change in performance. when the phone was new i remember the current being high when battery % was lower, and then decreasing as it charged.
in the last week or so it seems to be charging at a slower rate and with the original 2A charger and cable. if the battery is at 20% the current will increase quickly to something above 2800mA and then immediately decrease so that by the time it's at say 22% charged the current is at a steady 440mA.
oh! ****. i didn't realize that 'quick charge' was actually 'Quick Charge™ by Qualcomm®'.. nice and generic sounding.

my pure xl was doing a full charge in less than 3 hours. as of last week all of a sudden it takes 10 hours to fully charge. using original charger and cable. can anyone shed a light on fixing this problem?

thvpk said:
my pure xl was doing a full charge in less than 3 hours. as of last week all of a sudden it takes 10 hours to fully charge. using original charger and cable. can anyone shed a light on fixing this problem?
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My Nexus 6p is now facing the same problem as yours. It charges less than 3 hours before and all of a sudden two days ago, it has taken 10 hours to fully charge. With all cables and charges faults ruled out, my only guess is the fault lies in the phone. I don't think it is the USB port either. I believe it may be something to do with the software I cannot comprehend. But I currently don't have the time to reflash my ROM. This Resurrection remix ROM served well for the past year.
Currently, my amperage averages out to 350 mA. Sad. I wish someone with knowledge about this can reply to this thread. It seems this question has been lingering here for more than two years already. Are we the only ones who face this problem?

Fast charging using normal adapter?

As we all know, the charger xiaomi provided in the box does not support fast charging, although it is quite good. For fast charging we have to use different adapters or powerbanks that support it.
Yesterday when I was using my normal charger, it suddenly showed quick charge and two lightning symbols in the top right corner, which indicates fast charging, that I usually get when using my mi powerbank.
First I thought it was a software flaw but sure enough, my phone was charging at a much faster rate and was heating up similar to when I charge using powerbank.
Unfortunately when I removed the charger and reinserted it, the phone charges at it's normal rate, and I've been unsuccessfully trying to repeat it but it's not happening.
My device is completely unmodified, stock unrooted rom and bootloader locked.
I think this means that the normal adapter might be capable of fast charging but xiaomi has disabled it, something worth looking into.
Also I know the phone charges quite fast below 50%, I saw this effect while phone was at 69% and reached 72% in barely 3 minutes or something.
Unfortunately I did not have the presence of mind to take photos as proof.

first of all if you are using charger which comes in box with the phone, its not a fast charger its only 5V2A.
2nd it can't charge at pace compared to fast chargers as it can only provide 2A at max or it may be faulty
3rd it may be software bug just showing quick charge
and in the end you said it charged from 69 to 72 in 3 min. i can say its not fast charging because my charger 5V2A which came in box also charges at same speed you are saying. it normally takes around 1 min for 1% increase but depends on various factors like load being used currently by the phone.
sometimes when data is off or battery saver os on it charges more quickly as consumption is also less so it charges fast.

gursewak.10 said:
first of all if you are using charger which comes in box with the phone, its not a fast charger its only 5V2A.
2nd it can't charge at pace compared to fast chargers as it can only provide 2A at max or it may be faulty
3rd it may be software bug just showing quick charge
and in the end you said it charged from 69 to 72 in 3 min. i can say its not fast charging because my charger 5V2A which came in box also charges at same speed you are saying. it normally takes around 1 min for 1% increase but depends on various factors like load being used currently by the phone.
sometimes when data is off or battery saver os on it charges more quickly as consumption is also less so it charges fast.
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It was 2% in one minute, I've attached a ss from telegram group of violet where I reported this for proof. My data and wifi were on, and I've enabled always switch on data for faster switching in developer settings.
Even now it's currently happening, but the rate is very slow, I think it's probably a software bug like you say, any idea why this is happening?
Edit 1: That Telegram ss is from the day where I first created this thread, not today.

Shivangchopra22 said:
It was 2% in one minute, I've attached a ss from telegram group of violet where I reported this for proof. My data and wifi were on, and I've enabled always switch on data for faster switching in developer settings.
Even now it's currently happening, but the rate is very slow, I think it's probably a software bug like you say, any idea why this is happening?
Edit 1: That Telegram ss is from the day where I first created this thread, not today.
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i know the time is different but why didn't it increased in screenshots you uploaded the time already changed in both of them but battery remains same 69%. its showing fast charging but its not working I guess
plus maybe your battery health is not good.

Samsung Original Wireless Fast Charger Duo Pad 2.0

I have bought long time ago new version of fast charger duo pad. I use this charger to charge my SM-G977B S10 5g. I used this charger almost from s10 5g was released. It was charging battery from flat in about 1:35 every time when I was using this charger. From about 2 months I have noticed that charging is slower and it takes 2 hours to charge battery from flat. Maybe it's nothing important but the difference is especially noticeable at the beginning of charge process if I have only 10 - 20 minutes to charge it's really noticeable. I thought that I happened after certain update and firstly ignored that because of I wish to have only this type problems in my life. Anyway recently I have seen that if I use both pads and during charging my s10 5g I remove second device from pad s10 will switch to faster charging and I am able to achieve 1:35 charging time the same like before otherwise it charges a little bit over 2 hours. Is it software bug or problem whit my charger? Charger is quite expensive so I prefer to don't buy second one just for testing purpose. Have you noticed slower wireless charging yours s10 after one of recent update? What's the normal charging time for s10 5g on this charger? Thanks

Hi, is the same for me, I use it for about one year and at the beginning one charge (from 20% I never go under that or rarely) take approx 1h40 and it take 2h10 now ....
It's not an a really big problem for day to day use but sometimes it's annoying when you have less time for charge your smartphone.
But I need to say after one year this charger stay in a good condition especially in term of temperature management.

Anyone ?

Hi, an a factory reset solve my problem ?.
Before : 0,5%/H full charge in 3h20
After : 0,8% /H full charge in 2h20 (like at the beginning)
After the reset when put my phone ? on the wireless charger an notification appear "you can program the time when you went to stop the fast charging option to avoid noise and light during the night ? "
I never seen it before, I think ? the problem is that.

My 'fast charge' charger is as slow as the 6 times cheaper one I have had for more than a year, this means that a full charge takes about 3 hours. I bought it because I got a smartwatch and I didn't want to have two chargers on my desk.
I wiped the cache partition but the situation is the same. I followed other tips but nothing helped.
I did not do a phone reset because it takes me a long time to return to the normal state of the phone with passwords and other things and settings.
It is very annoying that samsung does not mention such a situation, as well as the fact that the estimation of the charge is far from the actual charge ... stupid is the one who buys this charger !!!

Quick Charge 3.0 issue

Hi all,
The last couple of weeks I am having issues charging my phone (HTC U12+), at first I thought it was the charge or the wire, today I got the Mrs phone, which is the same as mine, brought on the same day directly from HTC, running the same firmware, then I got a few different charges, some Quick Charge 2.0 Samsung Genuine, and some Quick Charge 3.0, HTC genuine, and a variaty of good quality wires, and they all work as expected on her phone, Quick Charge 3.0 charged fine up to about 3000mA, I plugged in my phone, at first it shows about 2500mA, that's with the Quick Charge 3.0 chargers, then withing less then a minute I goes down to about 1000mA, and it shows high mV and high temp, please see attached screenshot, the app I have used and always use to test it all is AccuBattery Pro, and by the way do do know that tge battery charges slow for the last 20% or so, but as you can see in the screenshot the battery is bellow that, and when I started the test the battery was at about 25%...
Is the battery on the way out or what?
Thanks
PS: The image didn't seem to have loaded,
The Google drive link for the image is:
https://drive.google.com/file/d/1FfbXEpMlrZRQrT4mhvbZRF1q_KXhQV8Q/view?usp=drivesdk

Anyone?

Well, charge speed depends on several parameters.
If your battery is pretty full it's going to slow down charging.
The fastest charge I seem to get is when it's really low on juice.