Hello Everyone,
I was checking to see if anyone else has run into this problem and if so if you have found a solution? Whenever I try charging on a PC, my 4XL will get extremely slow charging speeds. (About one percent charged every 30 minutes or so) [It currently says: 33% - charging rapidly - 7 hr until full]
I've tried this in safemode as well, with two different PCs, same problems.
PC, 1.5amp high powered USB-A -> USB-C = slow charge
PC #2, 1.5amp high powered USB-A -> USB-C = slow charge
PC, USB-C -> USB-C = slow charge (cable that came with 4XL charging brick)
The phone however, will charge fine, from a power bank, power brick, seemingly everything else. (It also charged fast when I first got the phone, not sure what has happened since)
When I charge my OG Pixel 1, or Pixel 2, via the same methods above, they charge fine. This is all on latest Android 10, Feb patch. (Dec patch for Pixel 1)
This seems to point directly to a problem on the 4XL, but I can't seem to figure out what it is. I'm willing to dig through logs too, with logcat or adb or something, but am not sure where to look. Any ideas would be helpful!:good:
No problem here. I charged using my front USB 3.1 port A-C on my PC and also USB-C to C from my GPU charged my phone at similar to QC rates.
clwclw said:
Hello Everyone,
I was checking to see if anyone else has run into this problem and if so if you have found a solution? Whenever I try charging on a PC, my 4XL will get extremely slow charging speeds. (About one percent charged every 30 minutes or so) [It currently says: 33% - charging rapidly - 7 hr until full]
I've tried this in safemode as well, with two different PCs, same problems.
PC, 1.5amp high powered USB-A -> USB-C = slow charge
PC #2, 1.5amp high powered USB-A -> USB-C = slow charge
PC, USB-C -> USB-C = slow charge (cable that came with 4XL charging brick)
The phone however, will charge fine, from a power bank, power brick, seemingly everything else. (It also charged fast when I first got the phone, not sure what has happened since)
When I charge my OG Pixel 1, or Pixel 2, via the same methods above, they charge fine. This is all on latest Android 10, Feb patch. (Dec patch for Pixel 1)
This seems to point directly to a problem on the 4XL, but I can't seem to figure out what it is. I'm willing to dig through logs too, with logcat or adb or something, but am not sure where to look. Any ideas would be helpful!:good:
Click to expand...
Click to collapse
Try it with a 3rd PC. It's either the pc charging usb c port or the cable. I had a problem with it on my P3 some time back. A reboot of the PC fixed it that time but intermittently it still reverted back to slow charge. Now it's totally fine but I also have a half dozen usb c cables and 2 usb PCs. It's not the phone.
Related
About a month ago my Note 4 stopped charging properly. I thought the battery was just getting on in age but with some troubleshooting I've noticed some symptoms-
#1- No longer shows up as Fast Charger plugged in. Whether it is Quick Charger, Regular 1A Charger, USB cable to Car Charger- it always shows up as USB Charging. This takes about 8 hours for a full charge.
#2 - Phone no longer connects to computer via USB .
#3 - Today I attempted to put a Wireless Qi Charger in, and while I was able to get some charging on a friends note. My Note seemingly is unaffected, even though the Qi Charging comes from the back plates- NOT from the USB port.
I'm guessing my 'charging unit' is damaged. Though I'm willing to hear out any suggestions.
Can anyone think of any components that would make this so?
Right now an external battery charger seems the only reasonable fix.
I updated my phone through OTA, but once i rebooted it aftet installing update, my USB port started to act strange. The phone takes 6 hours to fully charged ( with the same original power brick and cable) and also the cannot be recognized by any computer. OTG flash drives don't work anymore too.
Anyone else experienced these symptoms?
Daruosh said:
I updated my phone through OTA, but once i rebooted it aftet installing update, my USB port started to act strange. The phone takes 6 hours to fully charged ( with the same original power brick and cable) and also the cannot be recognized by any computer. OTG flash drives don't work anymore too.
Anyone else experienced these symptoms?
Click to expand...
Click to collapse
Bad wire...
You've lost a couple of pins... So you're not getting the turbo charger handshake... Further confirmed by loss of data to your PC...
Get a new wire... Make sure it specifies DATA/SYNC...
Unless you've burned up your turbo charger... Which I have heard of yet... Though I've broken the board in a couple of QC 2.0 compatible wall warts... But they just stop charging all together
Sent from my Nexus 6 using Tapatalk
Hey, I have the same problem but I bought and changed the cable USB so I solved the "problem".
This is weird but seriously I noticed this problem, Really I don't know.
Nexus 6 USB/charging port are this phones Achilles heel
I have recently resurrected my nexus 6 and found that it no longer gives me the turbo charger notification.
Sent from my Nexus 6 using Tapatalk
Fast charging notifications are ROM dependant. AFAIK, still not part of the stock ROM.
A way to tell what's happening is to use Ampere and look for ~ 1900 - 2200mA of current on the quick charger. ~ 500mA on a regular wall charger and <200mA on usb (computer) port.
The phone will only fast charge below a preset level. Somewhere around 80% the fast charge starts to slow down and that is reflected in the current measurement. By 85%, my N6 drops to ~1600mA.
If you go to settings -> battery while plugged into a wall (AC) charger and it shows usb charging, then check the cable and charger. Try different ones. If still it shows usb charging, then your phone charging port is messed up. I'd first try cleaning it.
If you can't remember the last time you cleared the caches (clean flashed) a factory reset might get things cleaned up as well.
If you're still using the original battery at this point in time, slow charging might just be a result of an old, expended battery.
I have a problem with my Mi8. After update to Android 9, my phone cant charge by Quickcharge, only slowcharge. Where can be problem? I charge with original cable and charger.
Thanks, and sorry for my english
Same problem with my Xiaomi mi 8 pro after update. It’s taking hours and hours to full charge using original cable and charger. The same charger and cable works perfectly in my Mi 6.
Is it OK now, after some software update?
No I updated it to MIUI11, but still nothing.
Me to same problem my phone can't exceed 400ma with all chargers
But PD chargers work fin
I think Chinese phone you can expect anything
Try to charge after single one:
1. Clean charging port (use plastic tool, can be self made from an ear stick for example)
2. Hold power button in about 13 sec - the phone will clean up temporary data
3. Turn off phone
4. Turn off phone for 10-20 min, then charge up to 100%, unplug, still off for 10-20 min, plug and fill to 100%
5. Charge off the phone. Let them to turn off. Then as same as previous point: charge up to 100%, unplug, still off for 10-20 min, plug and fill to 100%
6. Do completly wipe and install a full official ROM (download again and verify), not only update
If they're original accesories and the phone is on official kernel/fastboot/ROM/unrooted etc., the trouble can be hardware, or damaged software data.
Thanks for reply.
For me factory reset did not helped. But I discovered that with laptop charger (with USB C output) quick charge works! I was checking parameters in application 'ampere' and there is information that this charger is AC, and rest is USB. So it looks like QC works but....
@marik1, your path is quite time consuming and complicated but maybe it's worth to try
@Younes702, what type of PD are you using? What particular model? In ampere app during PD charging it appeared as USB or AC?
I've been having a repeatable problem. I have a Note 9 that will charge faster when I disable fast charging under battery settings. I tested the load being drawn with a USB Power meter these are the results I got.
Using a USB-A to USB-C cable:
When QC is enabled:
Phone draws 0.5amp charge, 10ohms resistance at 5.02V.
When QC is disabled:
Phone draws 1.2 amps, 3.9 ohms resistance, at 5.02V
I am using the same cable, same power bank. The power bank's USB-A port is able to draw ~1.9 amps at 5V, tested using a USB Meter and Load Tester that will put the USB under 1 amp and 2 amp loads at 5V, with resistance being ~2.7 ohms without the power bank turning off. I haven't tested the power bank at 9V, I don't have a 9V load tester
When I immediately switch from QC to non QC, the results above are repeatable.
Things I Have Done So Far:
Reboot Phone
Clear Phone Cache
Reboot Into Safe Mode
Try Different Charging Cables, Blocks, including OEM parts.
Every once in a while, it will switch back to being able to QC fast charge but it is random.
If I use a Power delivery capable block charger, it will charge at ~2750mA (I dont have other numbers like amps, voltage, or resistance, I'm still waiting on a USB-C meter)
My phone's wireless charging has no problem operating at it's max capacity
Any one else have this problem? Anything else I could do before I factory reset my phone?
I posted about losing Fast Charge thru the stock cable a while back and got no answers or a fix. I have not tried turning off the option to see if it charges any faster. It takes almost 2 to 3hrs to fully charge at this point. I'll take any fix or work around at this point.
TokedUp said:
I posted about losing Fast Charge thru the stock cable a while back and got no answers or a fix. I have not tried turning off the option to see if it charges any faster. It takes almost 2 to 3hrs to fully charge at this point. I'll take any fix or work around at this point.
Click to expand...
Click to collapse
Turning off fast charge made my charging a bit better. With Fast Charge (FC) turned on, I was getting 0.5amps (gave around 400-500mA). Turning FC off, sped up my charging by 50%, charging at 1.2 amp (roughly gave me 800-1000mA; Both charges were at 5V). Im able to charge at around 1000 mA with this setup, a little less than wireless quick charge. No idea why turning it off helped.
Another workaround that brought my charging speed WAY UP, to 2500mA, was buying a Power Delivery (PD) capable block WITH A USB-C to USB-C cable. I can get normal fast charging speeds with that setup.
I cant get FC with USB-A to USB-C cables, which is frustrating as most of my charging blocks are the regular USB-A input port.
Hope this helps you. 2-3 hour charge is brutal.
What's even weirder is in my car my phone would barely charge. But since I lost FC at home, it started working in the car. So in my car I can FC but not at home. I even tried the wire I use in the car and still nothing. Idk what is going on
Is it possible that turning off QC is turning off a regulation in the software to keep the battery from overheating? With this regulation turned off that would normally be on when quickcharging, the regulation is not active, thus causing the battery to charge at a less regulated speed, causing charging to be faster? Maybe there's a QC bug currently that's hampering it's full potential? What software version are you guys currently?
I just checked QC on mine on the latest Xfinity version and no matter what charger or cable I use with the function, it is working.
It's def not a software thing. I'm on latest October patch. Samsung told me that they have seen some issue with the charging port and once it goes bad there is nothing to do but replace it. They told me to bring it in to a store for repair thru my carrier. Haven't had a chance to go.
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Jammol said:
Is it possible that turning off QC is turning off a regulation in the software to keep the battery from overheating? With this regulation turned off that would normally be on when quickcharging, the regulation is not active, thus causing the battery to charge at a less regulated speed, causing charging to be faster? Maybe there's a QC bug currently that's hampering it's full potential? What software version are you guys currently?
I just checked QC on mine on the latest Xfinity version and no matter what charger or cable I use with the function, it is working.
Click to expand...
Click to collapse
That what I was thinking. Something is actively limiting the charge coming in. Everytime I had quick charge enabled I've been monitoring the ohms and the resistance would automatically jump to 10ohms. Then I disable QC and the resistance automatically drops to around 6 ohms.
I'm running Android Pie 9.0, Kernel version 4.9.112
TokedUp said:
It's def not a software thing. I'm on latest October patch. Samsung told me that they have seen some issue with the charging port and once it goes bad there is nothing to do but replace it. They told me to bring it in to a store for repair thru my carrier. Haven't had a chance to go.
Click to expand...
Click to collapse
Nocturncal said:
That what I was thinking. Something is actively limiting the charge coming in. Everytime I had quick charge enabled I've been monitoring the ohms and the resistance would automatically jump to 10ohms. Then I disable QC and the resistance automatically drops to around 6 ohms.
I'm running Android Pie 9.0, Kernel version 4.9.112
Click to expand...
Click to collapse
Yeah it could definitely be hardware related as well, due to each pin on a type c charging serving different purposes. There are two specific pins(I think it's two), that are responsible for enabling higher input of electricity. Couple years ago Google made comments about the cheap Amazon knock off cables and why they failed after a short while. Wouldn't surprise me if Samsung cheaped up for the cables and port on the device. I'll have to try and find the articles I read concerning the pins.
Here's a good start to understanding Type C.
https://www.allaboutcircuits.com/te...pe-c-which-pins-power-delivery-data-transfer/
Its the **** cable they supply with the phone.
I had all the same problems.
I noticed that when I turn off quick charge the phone can charge at 5v 1.7 amps. (USB doctor).
When I turn on quick charge it can only charge at 5 volts 0.40 amps.
The phone is trying to charge at 9 volts but for some reason cant so it goes into this safe mode.
I purchased a new Samsung cable it lasted for a week and developed the same problem.
A hint when it develops this problem Dex stops working.
I tried all kinds of cables. One Plus 5, and a few others. I finally got it to work again with my wifes one plus 6 cable.
Im now researching USB Type C ports and USB standard 2, 3, 3.1, 3.2
As well the quick charge tech used by Samsung. Its not Quick Charge 2. Its a proprietary standard.
So if your having problems with quick charge it could be due to your cable or your Port. Things very rarely go wrong with the charger. Also get yourself a USB Doctor. Its a big help. And only costs a few bucks.
Hope this helps somebody out there.
Right now I am trying to compare Note 9 vs Note 20 USB cable.
I am having an issue using AA with a pixel 6 I bought recently. I asked on the pixel 6 forum and no one had an answer. I am finding that while I am plugged in and AA is running, the phone does not charge, it drains as if it is not plugged in. I am using the same cables in the same car that I have used at least 6 other phones.
With other phones even if the phone was not fully charged and even when I was using maps on a longer trip, the phone would be fully charged by the time I got out of the car. The phone draining instead is a major inconvenience.
does anyone have any ideas?
Use an app to check how many Amps you get out of your USB port. Perhaps the phone is very sensitive concerning the USB cable. I had s similar issue with a USB cable on my old phone. It only charged at 500mA. Then you can try another USB cable.
AA needs a lot of battery. Therefore I guess there is not enough power coming out of the USB port to charge the phone during the use of AA.