Develop Bugs

Long charging duration. What should I do? Confused! Please advice.

Guys this issue is annoying me. My device is having some charging problems. I have measured the charging time for last two charges, and its taking 3 hours 40 mins for 10% to 100%, and 4 hours from 0% to 100%. Where most people are saying it takes around 3 hours, from a complete drain to full 100%.
So have any of you guys ever measured the actual time of charging? A lots of comments I see say around this or around that, or from 2 hours to 3 hours, well that's not what I need. If anyone has measured the time then please post here. I'm thinking about going to SC, but I don't wanna go there until I'm totally sure that there is a problem.
PS: I'm talking about Stock charger, (2A) plugged in AC power source. And device should be on, not off.
Btw- There should be a technical answer to this, the charging current is 2A and the battery is 3100 mAh, so how could I do the math?
Thanks in advance.
Sent from my GT-N7100

I don't know the math stuff but why don't you try calibrating the battery - worth trying !

Knowing that info is only half the truth. How the phone charges the battery and how much energy your phone uses during the charge matters too.
Sent from my GT-N7100 using Tapatalk 2

The time taken to charge is a pretty simple mathematical formula. But the rest of the calculation is complicated.
If you phone is on, how bright is the screen, is the display on or off, are you on wifi or network data, are you syncing email every 15 minutes or every hour, are you using the phone to send messages during charge, have you got gmail, dropbox, facebook, instagram, whatsapp, etc etc etc all doing a sync at regular intervals during the charge?
All of those things will use up some of the charge as its going in, so the charger is fighting against you.
I've been charging off usb at work and struggled to gain 20% in 8 hours because of my usage pattern.

Theoretical time for charge is about 1:30 hrs. Reality, start and ending charge should slow down (for safety), heat slow downs, plus usage of phone as spoken above I guess it could take up to 3 hrs.
It's not great to do a full charge regularly. I tend to keep mine between 40-90% for maximum life cycle of battery.
Perhaps try resetting battery stats? Try a different 2a charger?
Sent from my GT-N7105 using Tapatalk 2

wisewood said:
The time taken to charge is a pretty simple mathematical formula. But the rest of the calculation is complicated.
If you phone is on, how bright is the screen, is the display on or off, are you on wifi or network data, are you syncing email every 15 minutes or every hour, are you using the phone to send messages during charge, have you got gmail, dropbox, facebook, instagram, whatsapp, etc etc etc all doing a sync at regular intervals during the charge?
All of those things will use up some of the charge as its going in, so the charger is fighting against you.
I've been charging off usb at work and struggled to gain 20% in 8 hours because of my usage pattern.
Click to expand...
Click to collapse
I was testing how long it takes to charge, so I didn't even touch the phone while it was charging.
JLneonhug said:
Theoretical time for charge is about 1:30 hrs. Reality, start and ending charge should slow down (for safety), heat slow downs, plus usage of phone as spoken above I guess it could take up to 3 hrs.
It's not great to do a full charge regularly. I tend to keep mine between 40-90% for maximum life cycle of battery.
Perhaps try resetting battery stats? Try a different 2a charger?
Sent from my GT-N7105 using Tapatalk 2
Click to expand...
Click to collapse
1:30 hours? Could you kindly explain how?
And I've wiped my device fully, also reseted battery stats.
One thing I'd to next is, I'll turn the device off and see how long it takes then.
Sent from my GT-N7100

jujuburi said:
Guys this issue is annoying me. My device is having some charging problems. I have measured the charging time for last two charges, and its taking 3 hours 40 mins for 10% to 100%, and 4 hours from 0% to 100%. Where most people are saying it takes around 3 hours, from a complete drain to full 100%.
So have any of you guys ever measured the actual time of charging? A lots of comments I see say around this or around that, or from 2 hours to 3 hours, well that's not what I need. If anyone has measured the time then please post here. I'm thinking about going to SC, but I don't wanna go there until I'm totally sure that there is a problem.
PS: I'm talking about Stock charger, (2A) plugged in AC power source. And device should be on, not off.
Btw- There should be a technical answer to this, the charging current is 2A and the battery is 3100 mAh, so how could I do the math?
Thanks in advance.
Sent from my GT-N7100
Click to expand...
Click to collapse
Mine takes 2.5 hrs to charge from 10% to 100% with phone on using stock wall charger and cable (when charged continuosly with no activity on phone). It charged from 1% to 96% in 2.5 hrs with phone switched off (switched it on exactly after 2.5 hrs to check). But, usually i avoid charging my phones to full 100% (also always charge it when at 10%).

Dpk1 said:
Mine takes 2.5 hrs to charge from 10% to 100% with phone on using stock wall charger and cable (when charged continuosly with no activity on phone). It charged from 1% to 96% in 2.5 hrs with phone switched off (switched it on exactly after 2.5 hrs to check). But, usually i avoid charging my phones to full 100% (also always charge it when at 10%).
Click to expand...
Click to collapse
Try with another note 2 charger first. The thing with these chargers is they will behave erratically when there is voltage fluctuation or if you use in a train and other cases. So go to SC and tell them its taking almost double time for me to get charged. They will replace the charger as well the cable. My cousin has the same problem with s3. He got it replaced by the SC.
Sent from my GT-N7100 using Tapatalk 2

Thanks Chaitanya. But the SC guys are so stupid here. First thing they do always are to take the phone in their custody and deal with it badly. Still I will ask them to replace the charger and check.

Some of us have noted that if you let the screen time out and not manually shut screen off after connecting the charger. ..The charging is faster. . If you manually shut off the screen. .. The charging is slow.... It is weird but don't know why. .it definitely is happening
handwritten from my note 2 (N7100)

Mine takes about 3 hours to charge fully from 15 %
Sent from my GT-N7100 using xda app-developers app

Op: I said theoretical it will take 1:30.. Realistically it should slow down during stages due to safety reasons.
Mine took probably 3 hours the other day I ran it down, but this was combination of using 1a and 2a charger.
I think on the note 2 it doesn't ramp up power till it gets to 20-30%. Took a while to get there from 2%. If only battery widget was working on the note 2..then I could confirm.
Sent from my GT-N7105 using Tapatalk 2

Are you using the charger that came with Note2 ? I was using my old blackberry charger and it took for ever to charge the phone.
The output of the Note2's charger is more than twice the output of my blackberry charger.

^ Yeah, of course I am using the stock charger that came with Note 2! I'd not create this topic if I had used another charger.
Anyway, after a long week in Service Center now my phone is back, they provided me a new charging adapter (not the cable) and I was very happy because I thought everything will be smooth and like before but guess what? No improvement. It's still taking long! I just measured it for 30 mins exactly, it went from 70 to 83%, i.e 13%, where it should be 24% as stated in this thread,
http://forum.xda-developers.com/showpost.php?p=33585646&postcount=31
Now I am really angry. I will try with another Note 2 USB cable first, if that fails, there is something wrong with the device, I guess?

jujuburi said:
^ Yeah, of course I am using the stock charger that came with Note 2! I'd not create this topic if I had used another charger.
Anyway, after a long week in Service Center now my phone is back, they provided me a new charging adapter (not the cable) and I was very happy because I thought everything will be smooth and like before but guess what? No improvement. It's still taking long! I just measured it for 30 mins exactly, it went from 70 to 83%, i.e 13%, where it should be 24% as stated in this thread,
http://forum.xda-developers.com/showpost.php?p=33585646&postcount=31
Now I am really angry. I will try with another Note 2 USB cable first, if that fails, there is something wrong with the device, I guess?
Click to expand...
Click to collapse
I really don't think it's your device or your battery for that matter. I have a question as well (sorry to hijack...). When you were charging it for 30 mins, were you using it? Was the screen off or the phone totally turned off? I noticed one night that I had an email notification and the phone did not charge because the notification LED was on all night while I slept and it was plugged into my 1A Samsung charger from my original Note. I have yet to check if the charging disconnects itself if the LED comes on. I don't even know if the phone charges at all if the screen is on either. Can anyone confirm? I guess I'll try it out tonight! The battery last forever I got to admit, perhaps most of the time I'm slow charging it at 1A max with the original Note's charger? I guess it does the battery some good
Thanks a bunch!

No pal I am not using the device while charging (because I am testing and measuring the times, that's why I restrain myself from touching it), and it's on, not off.
Anyway, yesterday I went to a friend's home and found he has a Samsung ACE and has same USB port like Note's and I was carrying the charging adapter, so I took that Ace's cable and plugged in to my Note's adapter and let it charge for an hour, and I was amazed and happy to see that it increased 38% in 60 mins. Well this tells me that the USB cable of my Note 2 is gone to heaven.
And oh, if you charge and use the device at the same time it will charge pretty fast even then too. I can confirm this when I first got the device, always was using it and charging, and I was surprised to even then how fast it was charging.

I (and many other users) have similar problems with Galaxy S3. I've made an app that shows the actual charging current: http://forum.xda-developers.com/showthread.php?t=2076078
I'm not sure if it works on the Note 2, but it is worth a try.
Please check if your device is charging at the optimal charging current (I think it is 2000mA for the Note 2 charger, instead of 1000mA as pointed in the SGS3 thread).

[Q] Charging Takes Forever???

Hello,
So I was at about 10% when I went to bed last night (around 11 PM). I plugged my phone into an outlet charger (the one that came with my old Nexus 4, not the one in the G3 box) and when I woke up (645 AM) the phone was only at 65% charged? I can't imagine that it would take over 7 hours to do a complete charge. Has anyone else experienced this? The only thing I can think of is that my old charger produces less output than the one in the box, but I haven't tested it out yet.
Lou

Try it again with the actual g3 charger so you can know for sure if it's a phone issue or a charger issue.

louballs said:
Hello,
So I was at about 10% when I went to bed last night (around 11 PM). I plugged my phone into an outlet charger (the one that came with my old Nexus 4, not the one in the G3 box) and when I woke up (645 AM) the phone was only at 65% charged? I can't imagine that it would take over 7 hours to do a complete charge. Has anyone else experienced this? The only thing I can think of is that my old charger produces less output than the one in the box, but I haven't tested it out yet.
Lou
Click to expand...
Click to collapse
Over the past few weeks I have been testing all kinds of chargers and cables. I noticed that the G2 charger is the closest to G3 but not as good. The issue is the cable itself. Kopi 20awg with oem charger, g2 will work, charges at the same speed as the original one.

louballs said:
Hello,
So I was at about 10% when I went to bed last night (around 11 PM). I plugged my phone into an outlet charger (the one that came with my old Nexus 4, not the one in the G3 box) and when I woke up (645 AM) the phone was only at 65% charged? I can't imagine that it would take over 7 hours to do a complete charge. Has anyone else experienced this? The only thing I can think of is that my old charger produces less output than the one in the box, but I haven't tested it out yet.
Lou
Click to expand...
Click to collapse
Did your phone stop charging in the middle of the night? That happened to mine on the first night when I used an old iPhone (1000mA) charger. It just quit somewhere in the 60% range. Switching to a higher powered charger (iPad - 2100mA) it charges very quickly. On my desktop at work, the USB3 port I have charges at an abysmally slow rate (prob 500mA or less, and in a lousy reception area so it's burning 100-200 of that just keeping the network alive).
The boxed charger, btw, is 1800mA.

Thanks for the responses. I will try the charger that came with the device overnight tonight and report back in case anyone else has similar issues.

Replace
louballs said:
hello,
so i was at about 10% when i went to bed last night (around 11 pm). I plugged my phone into an outlet charger (the one that came with my old nexus 4, not the one in the g3 box) and when i woke up (645 am) the phone was only at 65% charged? I can't imagine that it would take over 7 hours to do a complete charge. Has anyone else experienced this? The only thing i can think of is that my old charger produces less output than the one in the box, but i haven't tested it out yet.
Lou
Click to expand...
Click to collapse
time to get new battery

syon.piyush said:
time to get new battery
Click to expand...
Click to collapse
The phone/battery are literally 2 days old. Can't imagine it's the battery already. I will do some more troubleshooting since is obviously not a common occurrence.

Strange
louballs said:
The phone/battery are literally 2 days old. Can't imagine it's the battery already. I will do some more troubleshooting since is obviously not a common occurrence.
Click to expand...
Click to collapse
Strange
try wiping battery in cwm if helps,and install super charge as some custom build roms are buggy.

My Xperia ZL wouldn't charging from getting too hot in the middle of the night. I would wake up to a very low battery. Between the screen waking up, trying to find a signal, and covering it with my pillow it would get too hot. Haven't had the issue with the G3 yet but I have woken up to the screen on and that stupid battery fully charged message.

Retarded Timing said:
My Xperia ZL wouldn't charging from getting too hot in the middle of the night. I would wake up to a very low battery. Between the screen waking up, trying to find a signal, and covering it with my pillow it would get too hot. Haven't had the issue with the G3 yet but I have woken up to the screen on and that stupid battery fully charged message.
Click to expand...
Click to collapse
my scren doesnt stay on when battery is full. it will light up for a brief period of time and then turns off. the green led stays on.

The nexus 4 charger is probably rated at a much lower amperage 1.2A actually https://play.google.com/store/devices/details/Nexus_4_Power_Adapter?id=nexus_4_charger&hl=en
However your cable will also play a big role in this. The rating on the cable will determine whether or not it will actually allow that much current to pass through it. The stock charger works great, it chargers in less than 2 hours from 0 to 100%. I only use my nexus 7 charger to charge my spare battery on its cradle which is no big deal because it doesn't need to be fast.

Mine takes about 2 hours and 20 min for 0 to 100%

That charger may also be sending dirtier power because it's older too. I'm amazed at how fast mine charges. I haven't timed it, but it has to charge over 35% in an hour if you start at around 20%. Hell, I have started wirelessly charging with a Powerbot (connected to official charger) at about 15% at night and woken up a few hours later and checked the time and the thing was at 100%.

RESOLVED
OK, this is resolved, seems like the issue was in fact the charger I was using. I used the one that came with the unit and it charged up no problem. At least that issue is solved in case anyone else runs into. Thanks everyone.

6 Hour Charge Times - 2 Hours Screen On Times

Hi all, so I know there have been talks before about the battery on the G3 but since not all issues are the same I decided to ask anyway in hope that someone could assist me in some way to figure out what the issue is.
TL : DR:
Got LG G3 (Stock ROM: Lollipop 5.0), let battery run flat, started charging it through the mains, woke up next day to it taking 6 hours to get to 100%, using charger that came with it (5.0v 1.8A UK mains charger, model: MCS-04UR).
So I just got the LG G3 as my old phone was a pile of rubbish these days (Huawei Y530) and so far I'm EXTREMELY happy with it, I needed it mainly for VR since I do YouTube and have been getting asked to do VR Videos so after looking around I found the G3 which was in my price range and grabbed it.
But here is where the issue starts, the battery ran flat so I plugged it into the 5.0v 1.8A UK mains charger that came with it (model: MCS-04UR) and after a few minutes it came up with an estimated time till full charge, of course I was shocked at the 19hr+ estimate but figured this would likely go down after I turned the screen off and just left it alone as I wouldn't be using it for anything other then push notifications over WiFi, about 4 hours later I needed to use the phone again so I unlocked it and saw that it was going to 7hr+ hours and was only at 32% after 4hours: imgur.com/XjPqu4X
So I left it on my desk and went to bed but when I woke up I saw that it was still charging and was only around 90%, so I left it alone until it was 100% and then checked the battery usage meter to see how long it had taken, this was the result: imgur.com/LBj3L2m
As you can see it had a bit of usage for a couple of hours which im guessing was maybe updates or something but even with taking into account it took a long time to get to full charge, I was under the impression that "Quick Charge" was meant to be quick and would get you around 50% within 30 minutes but that just doesn't seem to be the case with me, does anyone have any idea why this is.
I also did another test the next time the batter went dead this time charging with the phone off and once again connected to the mains charger, from 0% to 100% it took 6 hours 9 minutes, with it taking around 3 hours to get to 80% and 4 hours 20 to get to 90%.
After it had fully charged I turned it on to see what the estimate time remaining before it would die again was and it said 2 hours, this surely can't be normal...I mean I get that smartphones use a lot of power these days but this is a 3000mAh battery, I must be right in thinking it shouldn't take over 6hrs to fully charge and only last around 2hours if the screen was left on at lowest brightness.
Worth noting that this a second hand phone from a trade-in store.
•Phone: LG G3 D855
•OS: Android 5.0
•Kernel version: 3.4.0
•Software Version: V21a-EUR-XX
(No SIM Card in it yet as wanted to give it a good test before transferring over all my contacts and such)
These are the charger and cable I got with the phone, im assuming that they are default.
•Charger: imgur.com/TWHzXsD
•Cable: imgur.com/2naIYdT

Does nobody have a solution for this issue or have an idea of what might be causing it?
I would prefer to try any solutions that might be out there before taking it back to the store.

Slow charging

I have a issue with my pixel 2 XL charging slow, usually taking 4-6hrs to charge from 15-20 to 100%. I had google troubleshoot it but seems nothing can fix the issue. They asked me to replace my phone twice and I even got new cables and adapter but the same issue alerts occurs again and again. I even tried switching ports and tried outside my house but the charging time is still slow. I even tried in safe mode and still same behavior. Any advice that i could do good with?
Thank you!!

Same here. Went from @ 2 hours to fully charge to now taking 5-8 hours and won't charge at all while being used. Google issued an RMA but the link hasn't worked yet. Talked with 2 other Google reps and no one can figure out the problem. I'm doing advance replacement so I won't be without my phone for 2 weeks.

Hi, i was experiencing the same problem, but I have this workaround and is working, this battery is Li-Ion, so they don't like cold temperatures, install AccuBattery and check battery temperature before charging, try to warm up the battery to 23° or higher to start the fast charging (PD) capability of the Pixel 2 XL, this have worked for me everytime.

Doesn't work. Accubattery is how I knew how slow mine is. 490mA charging versus my daughter's 5x at over 1400mA. My battery is 86°F right now and nothing is different. Tried that after seeing the article last week. Seems mine changed after the February update.

Im experiencing this as well, rather annoying.

From my personal experience I have noticed that my device usually charges at around 3000-3400Mah while the screen is off, once the screen is turned on though it will drop to 1000 or below. This is a feature to keep temperatures down. What does accubattery say your screen off charge rates are? I will also add that I am on a custom ROM.
Sent from my Pixel 2 XL using XDA Labs

Accubattery shows average of 491 for screen on and screen off.

I noticed that when I first plug in the charger, accubattery shows charging well over 1000mah but after a few seconds it drops back down to the 4-500 range. Temp seems to be irrelevant, it was in the high 90s when I noticed this.

I'm having this 5 hour charge issue as well, but I started using an old moto z play stock charger and the phone now charges in like 1.5 hours. Crazy.

I guess this Picel 2 XL "slow charging" issue is quite a known issue (kinda glad actually for finding out I'm not the only one)
But my problem is that this "slow charging" issue gets even worst, my Pixel 2 XL sometime wont charge at all at the first attempt in plugging in the charging cable. And Now I have to make sure the "charging" icon is there when I plugged the charging cable sothat it will keep on charging till full (kinda annoying actually)
This started to happen to me about a week ago, while before that it only took me 2 hrs or so for having a full charged. anybody else care to share their experience e.q. when this is start happening to you guys or does the "slow charging" attempt always sucessfully charged when you plugged the cable or not (like what Im experiencing right now).
Do you guys return your phone?
Thanks in advance...

I have been using my og pixel XL charger and works way better than the pixel 2 xls. Seems to charge about 5 mins faster.

lucky_strike33 said:
I have been using my og pixel XL charger and works way better than the pixel 2 xls. Seems to charge about 5 mins faster.
Click to expand...
Click to collapse
5mins faster as in 2 hrs charge time or 5hrs [emoji39]
Sent from my Pixel 2 XL using Tapatalk

A lot more about this topic has been discussed here already:
https://forum.xda-developers.com/pixel-2-xl/review/charging-speed-t3685546/page39

Took me 9 hours yesterday to charge from 0 to 100.. piece of **** fast charging

[email protected] said:
Took me 9 hours yesterday to charge from 0 to 100.. piece of **** fast charging
Click to expand...
Click to collapse
9 hours?! That's a new longest time record. LOL. You could charge faster with an A to C cable with a regular 2.4 amp charger.

EeZeEpEe said:
9 hours?! That's a new longest time record. LOL. You could charge faster with an A to C cable with a regular 2.4 amp charger.
Click to expand...
Click to collapse
Yeah man, this thing charges extremely slow

EnIXmA said:
Yeah man, this thing charges extremely slow
Click to expand...
Click to collapse
What charging adapter and cable did you used? Original from google pixel?
Sent from my Comm Badge from Starfleet in far away Galaxy...

Yes, the one that came in the box

I've had slow charging issues with all the custom roms. Plus the phone in with Ambient display, says slow charging. On a stock Rom, same thing, and it says Charging rapidly, and it charges faster.
Been posting on a few rom threads about this. All sorts of theories. Using stock charger/cable. They work fine with the stock OS installed.

Slow Charging Speed | Super fast charging not working

My S20+ exynos is charging slowly. Its taking around 1 hr 40 min - 2 hr to charge from 5 to 100. Super fast charging is turned on and when i plug in it states 1 hr 10 min to charge. This seems to be happening from last 4-5 charge cycles. Phone is on latest software(ATCT). Any ideas what to do.

For me it takes 1h5m mostly (15%-100%)
Maybe do you have bad USB cable?
Tapatalk - SM-G986B

If you are using a cable other than what came with the phone, that is usually the culprit.

0kti said:
For me it takes 1h5m mostly (15%-100%)
Maybe do you have bad USB cable?
Tapatalk - SM-G986B
Click to expand...
Click to collapse
How do i check the cable is faulty ? I tried a cable from my prev phone (Nexus 6P) it wasn't any different .
shollywood said:
If you are using a cable other than what came with the phone, that is usually the culprit.
Click to expand...
Click to collapse
nope. Cable is the same that came with the phone

sjandroiddeveloper said:
My S20+ exynos is charging slowly. Its taking around 1 hr 40 min - 2 hr to charge from 5 to 100. Super fast charging is turned on and when i plug in it states 1 hr 10 min to charge. This seems to be happening from last 4-5 charge cycles. Phone is on latest software(ATCT). Any ideas what to do.
Click to expand...
Click to collapse
Bro I am facing the exact same issue on my galaxy S20 exynos. I think it is due to the April update installed, as I saw many comments regarding S20 ultras slow charging speed after the update. Anyways please let me know if you find a solution.

vanditsadaphale said:
Bro I am facing the exact same issue on my galaxy S20 exynos. I think it is due to the April update installed, as I saw many comments regarding S20 ultras slow charging speed after the update. Anyways please let me know if you find a solution.
Click to expand...
Click to collapse
This might explain something... apparently ATCT was pulled
https://www.neowin.net/news/samsung-pulls-latest-galaxy-s20-ultra-update-following-user-complaints

heslo.rb26 said:
This might explain something... apparently ATCT was pulled
https://www.neowin.net/news/samsung-pulls-latest-galaxy-s20-ultra-update-following-user-complaints
Click to expand...
Click to collapse
Pulled? Mine's just downloaded it this morning!
Think i'll postpone the update for the time being then

jonboi said:
Pulled? Mine's just downloaded it this morning!
Think i'll postpone the update for the time being then
Click to expand...
Click to collapse
Maybe it's only recent or in certain regions? Either way it's clear it has some issues. I've noticed charging issues on ATCT myself

Funny... I've been thinking about *not* using the Samsung 25W charger that came with the phone and use an older sub-10W charger based on the idea that pumping huge current into the battery quickly prematurely shortens its life.
Plenty of articles talk about this.
The cynic in me thinks that manufacturers are pushing the convenience of warp/super/ultra/whatever fast charging knowing full well that users will F**K up their batteries at ever faster rates than before, thus creating a growing captive market for their latest mega-fast charging phones.
All my previous devices had replaceable batteries so I was less concerned with longevity, but having shelled out a not modest sum for the S20 (all my previous phones were superseded eBay items) I really want to get the longest life possible out of it.
I've got it plugged into an HP 1.5A USB charger and Accubattery thinks it should get from 35% to my target 80% in 1h16min, which I think is acceptable. I bought the fast travel charger and fast car charger at the same time, so I'll reserve these for "emergency" recharging and not use them by default.
Anyone else with similar thoughts?

It could be the April update. Mine says "Super fast charging" while I'm plugged into my 25W brick, BUT it only says "Cable charging" if I charge it through my laptop (USB-C) while previously it said "Fast charging". Has anybody experienced the same?

sjandroiddeveloper said:
My S20+ exynos is charging slowly. Its taking around 1 hr 40 min - 2 hr to charge from 5 to 100. Super fast charging is turned on and when i plug in it states 1 hr 10 min to charge. This seems to be happening from last 4-5 charge cycles. Phone is on latest software(ATCT). Any ideas what to do.
Click to expand...
Click to collapse
Bro I just found a solution. Not the best but it works. My phone heated like hell even when idle and of course while charging too which resulted in slow charging speed, so what I did is wrap a cold cotton cloth around it while charging to keep it cool, and boom 50% charged in 30 mins. Earlier it took 1 hour for 50% charge.
For the cold cloth, I wet a handkerchief and squeezed the water out, thus ensuring there is no water to deal any damage (although the phone is ip68 rated).
Of course this is not a permanent solution but it works.
Hope it helps :good:
---------- Post added at 06:33 AM ---------- Previous post was at 05:52 AM ----------
sjandroiddeveloper said:
My S20+ exynos is charging slowly. Its taking around 1 hr 40 min - 2 hr to charge from 5 to 100. Super fast charging is turned on and when i plug in it states 1 hr 10 min to charge. This seems to be happening from last 4-5 charge cycles. Phone is on latest software(ATCT). Any ideas what to do.
Click to expand...
Click to collapse
Bro I just found a solution. Not the best but it works. My phone heated like hell even when idle and of course while charging too which resulted in slow charging speed, so what I did is wrap a cold cotton cloth around it while charging to keep it cool, and boom 50% charged in 30 mins. Earlier it took 1 hour for 50% charge.
For the cold cloth, I wet a handkerchief and squeezed the water out, thus ensuring there is no water to deal any damage (although the phone is ip68 rated).
Of course this is not a permanent solution but it works.
Hope it helps :good:

I have the same problem and as pointed out by vanditsadaphale it is related with the temperature of the phone. Mine charges 30% in 30 minutes instead of 50% as advertised and always is > 35.0 degrees Celsius. Also a **** of battery life with screen on time at 5hrs after almost a day of use with 60 hz...

I have the same problem with my S20 snapdragon version ....
Before update:
Super charge and fast charge were fine with same cable and same charger (aftermarket one support 22watt charging)
After update:
With everything in BATTERY SETTING got ticked. It only charges at slowest speed.
Plugged into supercharging port - no response, no charging
Plugged into QC3.0 port - slow charging

sjandroiddeveloper said:
My S20+ exynos is charging slowly. Its taking around 1 hr 40 min - 2 hr to charge from 5 to 100. Super fast charging is turned on and when i plug in it states 1 hr 10 min to charge. This seems to be happening from last 4-5 charge cycles. Phone is on latest software(ATCT). Any ideas what to do.
Click to expand...
Click to collapse
i have the same problem with S20 ultra
im using 25w charging
but not work fast
i just got notificating
cable chargine 1 h
i hope samsung fix this problem