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[Q] Charging Too Slow Now

I have had my Verizon Galaxy S4 since February of this year. I've been using the stock Samsung AC charger that came with it. It's always charged the phone pretty fast if I wasn't using the phone. It would charge about 15% in 20 minutes. Now it's only charging about 3 or 4% in 20 or 30 minutes. Now I didn't do anything different to my phone. I've been on this same ROM for over a month and this is just now a problem in the last week. My wife has the exact phone and charger that I have and when I use her charger it charges just as rapidly as mine used to, so I know it's not the usb port on my phone itself. I haven't dropped or damaged my charger at all in any way either.
Does anyone have any ideas about why this is happening?

If it charges fast on you wife's charger you've pretty much answered your own question.
Try using her cable with your charger, if it still charges slow then get a new charger.

gadget! said:
If it charges fast on you wife's charger you've pretty much answered your own question.
Try using her cable with your charger, if it still charges slow then get a new charger.
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Ok, I'll give that a shot. Thanks.

I had the same problem too ! Did a full battery reset and everything is going good now !
You have to charge it for 12 hours and drain your battery until your phone don't boot. Charge it and here you are !

Yeah these devices act funky every blue moon. My wifes didn't even recognize ANY oem charger for a week. Only detected others as USB devices causing slow charge rate. Removing dust, component cleaner, fresh install, all did no good. Eventually it just resolved the issue itself. All chargers work normally again.

change the usb cables
I also had the same problem before. I'd been using the original charger and usb cable and noticed that charging takes a lot of time than normal.
I found that it's on the usb cable. I accidentally found it when I used gsam battery monitor. It displays the current being received by your phone when charging. Using the original usb cable, it only gets around 600mah. I tried another usb cable (from a previous Samsung device) and now my phone gets 1,900mah (closed to the charger output of 2,000 mah).
Every since I changed the usb cable, my charging is fast now. Hope this helps.

I would try a new cable and Charger that is rated 2.1 amps or better if will be charged real quick

elchingon said:
I would try a new cable and Charger that is rated 2.1 amps or better if will be charged real quick
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I noticed that using the Pure Nexus rom my charging time became significantly faster. In fact I can get a full charge from nearly dead in just over an hour. This is using the charger and cable that came with the phone.

I had the same problem too ! Did a full battery reset and everything is going good now !
MT tenso

How do you make full battery reset?

The charging rate is based on the output rating of the charger, which is determined by the resistance value between the Data+ and Data- USB pins. If you use a cheap cable with high(er) internal cabling resistance, that will throw off the detected charger output capacity rating, and knock you down to a lower charging current and longer charging time.
Also, one time, even with the original charger and original cable, I couldn't charge at anything more than the default USB 500mA. I ended up having to power off the phone, and power it on again, which fixed the charging current and speed problem.

Install this app & check if it is getting charged at max current; anything less than 1200 mA when screen on & 1900 mA when screen off, you need to change your cable or charger
https://play.google.com/store/apps/details?id=com.abmantis.galaxychargingcurrent.free
Sent from my GT-I9500 using Tapatalk

I read somewhere that if you activate airplane mode the battery is charging faster.

Battery Health

I'm not sure which one has an issue, it could be my 1+ cable, the phone's battery, or the 1+ AC charger.
Basically, my 1+ cable no longer charges my phone when connected to the 1+ AC Charger. But works fine when using my powerbank. So I am assuming that my 1+ cable is defective. So swap cables, now using my Nexus 5 Cable and it charges my phone using the 1+ AC charger, but its very slow. I checked on batter monitor its only maxing out upto 1.7A then reaches 80% charge, it went down to only less than 1A (800mah). Is that normal? Or the 1+ ac charger is defective?
I also noticed that previously when using the 1+ cable and 1+ ac charger, my phone charges up so fast. It can finish charging in 1.5 hours. But not its 3-4 hours to fully charge.
So I'm confused now which is which or maybe the phone's battery is defective? Hope someone can shed light onto my issue. Thanks! :good:

Fast charging stopped working

My S6 is 2 weeks old today and I noticed that fast charging (using adaptive charger I got in the box) has stopped working
Yesterday at work I put my phone on charge and went back to it after 20mins and noticed it had stopped charging.
I thought maybe it the 2pin plug point so I changed plug points and it starts charging.
Come back later and it stopped charging.
Changed plug point again and the same thing happened.
Getting irritated I put it on my wireless charge mat instead.
Today I decided to test the charger and low and behold it's now working but it's charging at the normal rate.
I tested this by using my old S4 charger and I got the same time to full message.
Before when I plugged in my adaptive charger it said fast charging now it just says "Cable charging"
Do you guys think it's my phone or my adaptive charger?
I don't have another adaptive fast charger to test with
EDIT: I was running XtreStoLite ROM, I used ODin and reloaded the latest AOD8 Vodafone SA firmware but still fast charging isn't working.

I'd say it's the charger. There have been instances of them shorting. The last Note 4 I had did the same thing.

Perhaps a silly question, but am I right in thinking that the fast charging only works when the battery is below 20% or so? I tried plugging mine in yesterday when at 40% charge and it just said 'cable charging' (using the out-the-box charger and cable)

alanjrobertson said:
Perhaps a silly question, but am I right in thinking that the fast charging only works when the battery is below 20% or so? I tried plugging mine in yesterday when at 40% charge and it just said 'cable charging' (using the out-the-box charger and cable)
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Click to collapse
When you use the fast charger, it'll say fast charging no matter how full your battery is.

Gboss01 said:
My S6 is 2 weeks old today and I noticed that fast charging (using adaptive charger I got in the box) has stopped working
Yesterday at work I put my phone on charge and went back to it after 20mins and noticed it had stopped charging.
I thought maybe it the 2pin plug point so I changed plug points and it starts charging.
Come back later and it stopped charging.
Changed plug point again and the same thing happened.
Getting irritated I put it on my wireless charge mat instead.
Today I decided to test the charger and low and behold it's now working but it's charging at the normal rate.
I tested this by using my old S4 charger and I got the same time to full message.
Before when I plugged in my adaptive charger it said fast charging now it just says "Cable charging"
Do you guys think it's my phone or my adaptive charger?
I don't have another adaptive fast charger to test with
EDIT: I was running XtreStoLite ROM, I used ODin and reloaded the latest AOD8 Vodafone SA firmware but still fast charging isn't working.
Click to expand...
Click to collapse
Geez boet, how much does an S6 go for in SA?

I am having the same problem with my S6.
The fast charge doesn't work afree a week.
Last night I plugged in @ midnight with the original charger and cable at 5% and all apps shut down
It said "charging" and not "fast charging".
530am....only 97%.
This is pretty frustrating. It seems to have stopped in the last couple days.
Thoughts?

If you connect the USB cable to your PC and it detects your phone, it's proof that it's the adaptive charger. It happened to me on my Note 4, and I had it replaced with the warranty. Problem solved. Try it and you won't have any more problems. Garanteed!

Japultra said:
When you use the fast charger, it'll say fast charging no matter how full your battery is.
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Click to collapse
Thanks - have now realised that I had to push the USB cable extra hard into the charger - that switched it from showing 'charging' to 'fast charging'

luckyluis said:
If you connect the USB cable to your PC and it detects your phone, it's proof that it's the adaptive charger. It happened to me on my Note 4, and I had it replaced with the warranty. Problem solved. Try it and you won't have any more problems. Garanteed!
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Oddly...when I connect it to my computer...it charges (slowly of course).
But the computer never detects it.

Update
@Biggenz the S6 32gig is around the R9000 mark
@BoondckSaint try another Adaptive Fast Charger, apparently even the Qualcomm ones work too. If it still doesn't fast charge take it into SCC.
@alanjrobertson my problem started out like that, I'd have to unplug and re-plug the cable in then it would work. Now more often than not it just doesn't Fast Charge
So, I took my phone in to Samsung Customer Care and after trying numerous chargers my S6 would just say "Cable Charging" and never show "Fast Charger Connected" in the notification bar.
They tested my charger on another S6 and S6 Edge and they both worked fine and Fast charge was working. Had the correct "Fast Charger Connected" in the notification bar too.
I had to leave my S6 there and they will repair it. The technician said it's either the USB connector is faulty or the mainboard needs replacing.
I'm abit disappointed now as my s6 is only 2 weeks old and it's already had to be booked in for repairs.

Hopefully no such issues for me - it seemed to be very much linked to the USB plug at the charger end not being the whole way in but will be keeping a close eye on it!

alanjrobertson said:
Hopefully no such issues for me - it seemed to be very much linked to the USB plug at the charger end not being the whole way in but will be keeping a close eye on it!
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Click to collapse
I hope its just the USB plug m8. I'm suffering without my S6

Gboss01 said:
My S6 is 2 weeks old today and I noticed that fast charging (using adaptive charger I got in the box) has stopped working
Yesterday at work I put my phone on charge and went back to it after 20mins and noticed it had stopped charging.
I thought maybe it the 2pin plug point so I changed plug points and it starts charging.
Come back later and it stopped charging.
Changed plug point again and the same thing happened.
Getting irritated I put it on my wireless charge mat instead.
Today I decided to test the charger and low and behold it's now working but it's charging at the normal rate.
I tested this by using my old S4 charger and I got the same time to full message.
Before when I plugged in my adaptive charger it said fast charging now it just says "Cable charging"
Do you guys think it's my phone or my adaptive charger?
I don't have another adaptive fast charger to test with
EDIT: I was running XtreStoLite ROM, I used ODin and reloaded the latest AOD8 Vodafone SA firmware but still fast charging isn't working.
Click to expand...
Click to collapse
Have you tried depleting battery all the way down until S6 goes off by it self? Then charge it while is off all the way to 100% or leave it all night. Then see difference. Also one hint which is not quite related to your problem,but just for people to know. Fast Charging is NOT working from 50% and up to 100%. This is normal. So Fast Charge works from 0%-50%,NOT ABOVE!

stefan063 said:
Have you tried depleting battery all the way down until S6 goes off by it self? Then charge it while is off all the way to 100% or leave it all night. Then see difference. Also one hint which is not quite related to your problem,but just for people to know. Fast Charging is NOT working from 50% and up to 100%. This is normal. So Fast Charge works from 0%-50%,NOT ABOVE!
Click to expand...
Click to collapse
The Samsung Care Center replaced the USB port on my phone and its fast charging again perfectly. Wasn't anything to do with the battery thankfully.
Before replacing the USB port the phone always showed "Cable charging" whenever it was plugged into the fast charger.
Now it shows Fast Charging in the notification area.

I am also having the same problem with mine it can be seen in odin but no mtp no matter which computer i use ... (yes drivers were correctly installed) also not showing fast charging with stock charger and about 4 different cables that i know work with it in the past. My phones been flashed will this void my warranty for usb repair ?

xionation said:
I am also having the same problem with mine it can be seen in odin but no mtp no matter which computer i use ... (yes drivers were correctly installed) also not showing fast charging with stock charger and about 4 different cables that i know work with it in the past. My phones been flashed will this void my warranty for usb repair ?
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Click to collapse
I took mine in and they fixed it. This was at the Samsung centre in my city. Took them a week because they didnt have any USB ports at their branch and had to wait for it to be couriered from Johannesburg

I'm having the exact same issue with my S6. Only a couple of months old and only showing Cable charging and intermitantly stops charging. I'd say definitely charging port. I've tried the samsung fast charger, the sony z4 tablet fast charger, my aukey quick charge 2.0 car charger and my aukey portable quick charge 2.0 portable battery. Bit annoyed

Same issue here. comp does detect it then it drops over and over. same with whatever charger im using or cord. 2 months old 920W8.
i see one of these in my future.........................
http://www.ebay.com/itm/Samsung-Gal...Port-Flex-Cable-Mic-Flex-Repair-/231521417652

Yes. same like mine. Just push the cable extra hard into the charger. it works! thanks!

mine ose as you say but their was an inbetween stage off it booting in to the vertual reality app seriously anoyying but then just wouldn charge then started fast charging for a day then again to vtgear what ever its called then stopped charging completely n then would only charge at cable charge rate ( 4 hours till charged ) its currently at samsung repair center im waiting aan email

Warp Charging issue

Hello Everyone ,i updated my device to android 10.0.1.Yesterday my mobile has been switched off due to low battery.So when i plug the charger to the phone the slow charging issue back.It takes 4 hours to charge my phone to 75% and i was too worried to see this.So i had to unplug the charger again and again the warp doesn't work.It just normally charge the phone.However once the battery reaches to 85% the charger automatically switch back to warp charging.So i tired again draining my battery from 95% to 20% and when i charge the phone it charges the phone at normal charging so i had to plug and unplug again and again to get the warp charging back and after couple of minutes the warp charging automatically switch back to normal charging.Once the battery charges upto 80% then the warp charging came back and charges the phone without any issues.i was so worried that the phone just 25 days old and i facing this*problem from the day i bought.im facing the same issues in Android pie also.Any help will greatly appreciated!

Imrankhan12345 said:
Hello Everyone ,i updated my device to android 10.0.1.Yesterday my mobile has been switched off due to low battery.So when i plug the charger to the phone the slow charging issue back.It takes 4 hours to charge my phone to 75% and i was too worried to see this.So i had to unplug the charger again and again the warp doesn't work.It just normally charge the phone.However once the battery reaches to 85% the charger automatically switch back to warp charging.So i tired again draining my battery from 95% to 20% and when i charge the phone it charges the phone at normal charging so i had to plug and unplug again and again to get the warp charging back and after couple of minutes the warp charging automatically switch back to normal charging.Once the battery charges upto 80% then the warp charging came back and charges the phone without any issues.i was so worried that the phone just 25 days old and i facing this*problem from the day i bought.im facing the same issues in Android pie also.Any help will greatly appreciated!
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Sounds bad but... what cable are you using (just curious?)

I'm using orginal cable and adapter!

Imrankhan12345 said:
I'm using orginal cable and adapter!
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Click to collapse
Looks like one-off issue. I have warp charging regardless of the battery level. As a one last attempt, try doing a factory reset...it might solve the issue...

I already tired factory reset and i eventually tried downgrading.but I'm not encountering the issue very few times compare tto android 10.

OnePlus 6 Warp Charge Problem

Hey,
Recently I've got a OnePlus 6 but it came without any charger. So I have bought a 30W warp charger which was taken from the OnePlus 7 Pro box. It charges and works fine till the battery is charged to 65%. After 65% it stops charging and I have to switch to some other regular charger or charge it via USB port from my laptop. to charge the battery from 65% to 100%.
I have cleaned the connection on phone, I've tried another cable but the result is always the same. Battery optimization is turned off.
I need your help: What can cause this problem and how I can fix it? I don't have a chance to test it with another warp charger, since I don't have access to other ones. and it is very uncomfortable for me to charge with two chargers -_- Please help...