Charging issue - Samsung Galaxy S20 / S20+ / S20 Ultra Questions &

Hi ,
i'm facing charging issues on my s 20 plus it is only charging on the cable mode and the super fast charging mode is on and i'm using the original charger and cable. I've tried soft resetting and turining the phone on on the safe mode and still the problem is there. I started having problem after getting a moisture detected notification on my phone and it went away but the problem is still after a day. Does anyone have any fix for this problem?

Just started having exact same problem, no ideas yet?

I thought my charger was faulty, same issue with me, no chance for my s20 to get charged wirelessly, no matter fast or not. I think the last security update was buggy maybe

It's not you. I noticed that my wireless fast charging immediately broke after the last update. They all start to fast charge, then a few seconds later reverts to standard charging.
Thankfully, I can still fast and super fast charge with my USB C chargers.
I saw it on different Samsung forums, Reddit and the Samsung Members app. All reporting similar issues and the only thing they all had in common was the last update. I do believe it's software and Samsung needs to fix it. I know my chargers work fine as my work S7 still fast charges on all of them but it's on an old software version.

Related

Fast Charging No Longer Working

I wanted to share this in case anyone ever experiences the same problem. I had my Note 4 since it was released in October and didn't have any issues until roughly a week ago. All of a sudden, the phone would not fast charge. Whenever connected to the fast charging adapter, it would detect it and charge, but it would not give the fast charge notification and would charge extremely slowly (8 hours to get a full charge from near empty). In addition, my PCs would no longer be able to access it and the phone would not give the MTP option menu when connected. I tried multiple cables, outlets, fast chargers, and batteries in addition to toggling the fast charge setting, wiping the cache, and performing a factory reset - but nothing helped. I finally called verizon and they sent me a new note 4 and everything was working again.....
Three days passed and the same exact issue occurred again on the replacement phone. This makes me believe that the Samsung charger I have has somehow deteriorated and is now breaking the usb connectivity on the phone. I contacted samsung and am getting a replacement for the charger and will have to get ANOTHER replacement phone from verizon (after they finish processing my first replacement).
So if anyone has a similar issue, I would suggest getting a new charger in addition to the phone replacement so you don't have to go through the entire process again. I could be wrong that the charger caused this, but I can't think of anything else besides the recent lollipop upgrade - but everything was working for several days on lollipop for both phones.
If anyone has ideas on how to fix this, please let me know. I can't return the second phone until the first one is processed so no fast charging or PC connection until then. Thanks
Having exactly the same issues. Let me know if you work it out.
maliciousintent said:
Having exactly the same issues. Let me know if you work it out.
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Same Issues and I have three fast chargers so it is not the charger it is the phone or the 5.0 update.
Mine was not really even charging unless I turned the phone off. I called Verizon and they are sending me a replacement phone overnight. It would not connect to the computer either. I hope this is not a result of fast charging, if so they are gonna get a lot of phone calls
I also have another fast charger which wasn't working... I was thinking that my main charger was breaking the phones USB connectivity and fast charging, but if others are having the same problem then I am wondering if it is something related to the lollipop update. I am replacing the main charger and should have another replacement note 4 come Friday. If it happens again, then I think it points to the lollipop update since both phones had this issues days after lollipop was installed.
I'll let you guys know the outcome
Had the same issue. Used a different wire. Solved the problem. Any Micro USB that can transfer data, can use fast charge. If it's a "power only" cable, or if the data pins/wires are messed up, no fast charge.
graydiggy said:
Had the same issue. Used a different wire. Solved the problem. Any Micro USB that can transfer data, can use fast charge. If it's a "power only" cable, or if the data pins/wires are messed up, no fast charge.
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Click to collapse
Well the problem was that all the cables were working and then stopped. When I got the replacement phone they worked and then a few days later the same thing happened again. So something was causing the connection to break completely. I am hoping that the cause was the charger which I am replacing.
Word of advice: if it stops charging normally In ANY way. THROW AWAY THE CHARGER. I made the same mistake and my Note 4 literally lit on fire melting the lower 1/2 inch of my phone and completely melting the charger. It was so hot by the time I was able to yank the cord out both the phone and charger were melted and destroyed and I ended up with three fingers with minor burns. I am lucky it did not happen when I was sleeping with my infant nearby. I now charge my phone only in the day and on a granite counter in case of fire again.
It stopped fast charging. Then I used the charger again and got a message saying "Transferring power to high powered device" then wham 2" flames
Verizon kept claiming it couldnt happen and thought I used a aftermarket charger until I brought the phone and charger to a corporate store and they prompytly replaced both the phone and charger under factory warranty.
I have three samsung original fast chargers and none of them worked plus the fact that the phone could not be connected to any computer I have makes me think it was the phone. I got the new phone today so I guess time will tell. I just can't see three chargers and cables going bad all at the same time. I also did not take the 5.0 update on the new phone.
my replacement phone stopped fast charging and computer will not recognize it now. I used a different cable that was plugged into the fast charge module from Samsung. I guess that is what caused it. They are sending another phone but for C sake if a cable is the reason this happens surely there should be a fix without replacing the phone time after time.
I finally received the new phone from Verizon and I replaced all the cables I was using to make sure this doesn't happen again. Hopefully the charger was the culprit and the problem is over and done with. Hope no one else encounters this as it really was a pain to deal with.
I got my third phone Monday and so far so good. I had a car charger from Verizon plugged into an extender that had 4 plugs in it. When I unplugged my GPS from it I noticed it was very hot. The Verizon Charger was also hot even though nothing was plugged into it. This may have been what caused my issue. It could have overheated. I replaced it with a different brand and tested to make sure it stayed cool when anything was plugged in and have used it all week without issues. The only other thing could have been the USB cable I used the evening before the second phone stopped fast charging so I do not use it either. So if you use a car charger extender check to see if it gets hot when anything is plugged in. BUT, it is scary knowing something like this can kill the USB on this phone.
I have an external Hard-drive that would constantly disconnect and reconnect with the slightest movement of the cord connected to the computer. It even caused my H/D to get corrupted twice requiring re-formatting. But all I had to do to fix it was to squeeze the big connector on the cord a little and tighten it up. Just a thought.
It's been a week since I received my third phone and everything is working perfectly. I can only assume the charger was breaking it and I'm glad the issue is behind me.
So for anyone experiencing this, I suggest contacting Samsung to replace the charger before going to your cell provider to replace the phone
I'm having the same exact problem. My 2nd replacement phone is now doing the same thing as the first one. I have too many scenarios now though and I'm confused as to which it is. I have two Adaptive chargers.. Batteries, phone, or chargers...
As soon as I replaced the charger, I didn't have this issue again. I suggest sending your chargers back to Samsung (or whatever other brand you have) because one of them is breaking the phones
Sent from my Nexus 6 using Tapatalk
I would place my bet on a bad cable. With the higher voltages that fast charge uses going through the danger of arching and sparking is increased especially if there's a poor connection would fry or weld melt metal inside the connector. This could damage the USB port in the phone and cause the phone's USB port to have a bad connection. This bad USB port in the phone could fry the other cables as well leaving you wondering why everything went bad all at once
My phone will fast charge on my two vehicle chargers (at 1.5 amps and 2.1 amps), but refuses to change any faster than 500 mA on two separate fast charger bricks. The same bricks work fine for fast charging other phones, so it's my phone, not the charging hardware. I'm using the same cable(s) for all instances, which leads me to believe that something is wrong with how the phone interprets the "smart charging" signal on the bricks, or that the phone is sending the wrong charging signal.
I can still connect to a computer just fine, so my issue may be different.
Does anyone else have the issue with bricks but not with chargers without "smart charging" capabilities?
I've had this problem on stock 5.1.1, Jasmine rom 6.0.1, and now CM13. I full wiped everything when reinstalling, so either it's hardware, or an issue propigated through many roms. I've tried a few different kernels too, just to see if that was the problem.
I'm changing the battery tomorrow to check that possibility. Maybe I'll bend the contact a slight bit and see what happens (phone catches on fire)...
Hi guys
I have the same problem as you ,so what I have to do to solve this issue without replace the phone,
I have rooted 5.1.1 stock rom, If i flash full stock rom 5.1.1 does this help or what?
zediiiii said:
My phone will fast charge on my two vehicle chargers (at 1.5 amps and 2.1 amps), but refuses to change any faster than 500 mA on two separate fast charger bricks. The same bricks work fine for fast charging other phones, so it's my phone, not the charging hardware. I'm using the same cable(s) for all instances, which leads me to believe that something is wrong with how the phone interprets the "smart charging" signal on the bricks, or that the phone is sending the wrong charging signal.
I can still connect to a computer just fine, so my issue may be different.
Does anyone else have the issue with bricks but not with chargers without "smart charging" capabilities?
I've had this problem on stock 5.1.1, Jasmine rom 6.0.1, and now CM13. I full wiped everything when reinstalling, so either it's hardware, or an issue propigated through many roms. I've tried a few different kernels too, just to see if that was the problem.
I'm changing the battery tomorrow to check that possibility. Maybe I'll bend the contact a slight bit and see what happens (phone catches on fire)...
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Turns out one out of the three new cables I bought didn't work, and my OEM cable didn't work for fast charging. Swapping for a good cable fixed the issue.

No fast charging after January Security update

Until 3 days back, the Asus 5z (Non-rooted) was charging fast with Original Asus quick charger. But then it got FOTA update to ww_ZS620KL_90.10.138.181_20190202
(build number: PPR1.180610.009.WW_user_90.10.138.181_20190202)
(Baseband ver: M3.15.35.23-Draco_000621)
After the update, there is a weird behavior seen while charging. After charger is switched on, charging go upto 1580ma (measured using "Ampere" app) and then gradually, the charging gets reduced to 680ma-720ma within next 4-5 seconds and then the phone charges constantly at this speed. If i switch-off the charger and then again switch it on, then again the charging go upto 1580ma, then to 700ma. Now it takes 150min-180min to fully charge the phone. Earlier it was just 100min at ~2500ma speeds.
Its like there is some kind of capping enabled via this FOTA update, which is not allowing fast charging. As soon as the phone detects fast charging, it reduces it to normal speeds, due to some unknown reason.
Charger is not faulty, i have checked it using Original Asus charger, Tronsmart QC3.0 , Poco F1 original QC3.0 charger, Motorola original QC2.0 charger. All yields the same result, It goes upto 1580ma and then reduced to ~700ma.
Things i've tried:
Enable/disable AI charging
Rebooting
Different chargers/Different electrical sockets
Discharging completely and then charging
Things i've NOT tried yet:
Battery calibration (don't know if it will actually works)
Factory reset (have a lot of data to backup before doing so)
Do you think the issue is related to January security patch? My phone is not rooted.
Please Help.
Mines still fast charges but I notice it stops fast charging at 70% instead of 80 with ai charging on
Sent from my ASUS_Z01RD using Tapatalk
Yes i have also noticed this...its taking almost 3 hrs now....after the update... seriously asus all software updates were crap... ?
facing the same issue. have you found a solution yet?
androidusr7 said:
facing the same issue. have you found a solution yet?
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No Bro, no reply from ASUS forum too. Since many of us are experiencing this issue, i hope ASUS may resolve this in their security update.
Same issue post FOTA update
same issue, powe off phone before charge and power on during charge let the phone charge at fast charging speed but this is very inconvenient
I also facing same issue but when I reverse the type C cable sometimes it charges fast.
May Asus solv it
Many people are facing the same and have reported it in Zentalk forums.
I request you all to report it too so that it comes in the notice of asus devs and they fix it asap.
Link below.
bit.ly/2UpgCSR
I believe this is due to loose connection or lose contact in wall socket. I have seen, if you remove the wall socket and then reattach again, it charges fast.
Maybe it detected some sparks/surges in USB output and kept going to safe mode.
babaibhat said:
I believe this is due to loose connection or lose contact in wall socket. I have seen, if you remove the wall socket and then reattach again, it charges fast.
Maybe it detected some sparks/surges in USB output and kept going to safe mode.
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Click to collapse
no that's not the case. Many people has reported it already.
Hi All,
I too facing the same problem and complained in ASUS twitter site and they told to go to the Service Center. If i restart the phone before charging then my phone is charging fast.
I too have this problem. I use this workaround.
Connect the charger to the phone and let the current reading come down in the ampere app. After that, keeping the charger connected, restart the phone. You'll see that now your phone is fast charging. The current goes up to 2500 ma now.
geekdeepak said:
no that's not the case. Many people has reported it already.
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Then you mean Every time I chargey phone I have to restart? What kinda solution is this?
issue fixed with the 92 mb update i got last night
For me the 90mb update reversed the charging speed. The update prior to this update fixed fast charging for me, but after this 90mb update the phone stops fast charging at 70%. I measured the time it takes to go from 6% to 100% (with AI charging ON), it took about 1 hour and 15 minutes. So it doesn't bother me that much as it's still plenty fast for me. I hope Asus fixes the issue permanently.
Mustajab Is'haq said:
For me the 90mb update reversed the charging speed. The update prior to this update fixed fast charging for me, but after this 90mb update the phone stops fast charging at 70%. I measured the time it takes to go from 6% to 100%, it took about 1 hour and 15 minutes. So it doesn't bother me that much as it's still plenty fast for me. I hope Asus fixes the issue permanently.
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Been that way since the January update for me
Sent from my ASUS_Z01RD using Tapatalk

wireless charging strange behaviour

Hello,
since installing sep 1 security patch I have strange problem with wireless charging. It like recognizes the charging pad, starts charging and says "fast wireless charging" and says i.e. 45 minutes to full. Then a couple of seconds and it changes to "charging" and time changes to 3 hours. and then back to fast charging. And cycles this. And it doesn't charge much
Now I don't know if it's connected with sep 1 security patch but it started happening after that. I didn't drop it or anything. It charges through cable normally. The issue is not with charger, since I have 2 identical charging pads at home and at work, and the phone does the same with both...
Any ideas?
Thanx!
It is. I reported this to Samsung and it's all over Reddit as well that others on the latest update are having the exact same issue.
My other device still fast change on the same chargers and the only difference is that my S20+ was just updated. I don't plug my phone in, so I noticed it immediately as I just have wireless charging in the house for the most part. Thankfully USB C fast and super fast charging still work fine, but that's beside the point. I'm hoping this new update (when it's available) fixes this.
Velvet G said:
It is. I reported this to Samsung and it's all over Reddit as well that others on the latest update are having the exact same issue.
My other device still fast change on the same chargers and the only difference is that my S20+ was just updated. I don't plug my phone in, so I noticed it immediately as I just have wireless charging in the house for the most part. Thankfully USB C fast and super fast charging still work fine, but that's beside the point. I'm hoping this new update (when it's available) fixes this.
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Click to collapse
Wow, thanks mate, I was getting depressed because of this, good to hear it is a software thing. I'd hate to have to return it and get another phone took me ages to set it up and migrate everything from my old S8 plus

Fast Charger no more after update

Hi,
I wanted to know if someone else has a fix for not fast changing after the last update.
The fast change option is activated, I tried different cables, different chargers and still no fast charging.
If anyone can help....
Thanks
No problems with fast and superfast charging of my N975F after last upgrade to 6DTJ4...
blackfire2802 said:
Hi,
I wanted to know if someone else has a fix for not fast changing after the last update.
The fast change option is activated, I tried different cables, different chargers and still no fast charging.
If anyone can help....
Thanks
Click to expand...
Click to collapse
No such problem here. You may try another fast charger or another USB3 cable (if possible). Usually the cable is the problem or low wattage from the power socket. Not the charger or the phone.
I've had same issues since last update, including moisture detection warnings whilst phone is plugged in. Some complaints of this on Samsung Members Forums as well. Mine is + 5G UK variant so not sure if you have same variant?
Clear system cache on boot menu.
If it was a major update ie 9 to 10, reload.
If an OS is running fast and stable, I leave it alone. I've seen updates that trashed a phone once too often.
I at least wait until it has a proven tract record.

Device charges really slowly - 0.1A - 0.4A

Hi everyone!
I'm investigating charging issue with A70 Europe version.
Bought used one with stock ROM, then unlocked and installed crDroid based on android 10.
Additional modules: Magisk, EdXposed, FakeGapps, MicroG
Apparently after ~1-2 years it started charging really slowly.
(Used orignal adapter and cable) So I thought it was broken and changed it.
It didn't help
I recently moved to LineageOS 20 straight from crDroid.
Issue persisted and I was annoyed with it so much that I checked charging parameters with Wattz app from f-droid.
With different cables and adapters I'm able to achieve Max 0.4 A with 2A charger.
Where in most cases it is 0.1A with 1.5A charger
I got it to the cell phone repair where I said I suspect that it may be the port as it stopped transferring any data.
They fixed port but charging issue persisted.
In that moment I decided to try fix it myself.
I opened the phone and changed battery as it was also discharging fast.
It didn't help.
I started reading some similar threads here.
So what is left:
- change the tape that connects main board with port (it is said to be a common issue on samsung device)
- reflash stock rom and see what happens there.
what do you think?
do you need any pictures of the phone or other details?
Thanks in advance!
UPDATE:
Device is A705FN
Did both.
Changed ribbon cable that connects main board with port and flashed stock ROM based on android 11.
Disabled adaptive charging in settings.
But it didn't help.
This could mean that it is some other hardware issue but I'm run out of ideas...
Other observation:
Measuring Watts:
(Stock charger) When I power on the phone, drain is ~10W till it enters offline charging mode or system is on, then it stays exactly 0.5W ! I'm not sure if it is charging. When system is powered it says no.
To compare with my msm8998 based Sony Xperia ~10W till it enters offline charging mode, then it stays at something like 4.6W with 1.5A charger.
Both tested while charging above 90%
I'm totally pissed of. I put money to repair it but nothing seems to work.
I'm sure about one thing - I'll never ever buy any other samsung smartphone.
This sounds like a charging board issue from the very beginning. Charging problems do happen on this phone sometimes but usually just reseating the ribbon cable is enough to make it work again. Perhaps some chip has failed, though this happens much more rarely.

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