Poco F2 Pro - Fast charging issue - Xiaomi Poco F2 Pro (Redmi K30 Pro) Questions & Ans

Hello,
I'm struggling with strange issue with my phone. When I try to charge it with original charger and cable it looks like he tries to enter the fast charge mode but something is wrong and the proces is interruped (see atachmed movie). This happes all the time but when I use some othe charger with less power the slow charging is fine.
I've tried different cables and chargers but with the same result. The phone is from second hand so I can't say where it was from the beginning, because I've immediately updated it after the first charge. The first owner says that everything was perfectly fine, but he haven't used him for 4 months.
Anybody had the same problem or know what might be the reason?

Could be a problem with the charger or the cable. You'll have to test it using another Poco F2 charger/ cable.

TheMystic said:
Could be a problem with the charger or the cable. You'll have to test it using another Poco F2 charger/ cable.
Click to expand...
Click to collapse
Hi, I've tested with 3 other chargers and 2 different cables - no difference

xfenixxx said:
Hi, I've tested with 3 other chargers and 2 different cables - no difference
Click to expand...
Click to collapse
Most OEMs use proprietary charger and cables, so you'll have to use their branded charger and cables only for testing, unfortunately. Without those, your phone will still charge, but not at the speeds that their proprietary technology supports.

TheMystic said:
Most OEMs use proprietary charger and cables, so you'll have to use their branded charger and cables only for testing, unfortunately. Without those, your phone will still charge, but not at the speeds that their proprietary technology supports.
Click to expand...
Click to collapse
Hi,
But 2 chargers and 2 cables where from the OEM, I've bouth the same phone becouse the old one had damage. Now I tested all the chargers I have and when the power is strong enough to trigger fast charging I see this strange braking. I had used these chargers with the same model before without any problems so I don't think it's a charger fault.

Just to add some background: the phone is not rooted, I've started the unlocking process and I'm waiting the 7 day period to be able to unlock bootloader.

xfenixxx said:
Hi,
But 2 chargers and 2 cables where from the OEM, I've bouth the same phone becouse the old one had damage. Now I tested all the chargers I have and when the power is strong enough to trigger fast charging I see this strange braking. I had used these chargers with the same model before without any problems so I don't think it's a charger fault.
Click to expand...
Click to collapse
xfenixxx said:
Just to add some background: the phone is not rooted, I've started the unlocking process and I'm waiting the 7 day period to be able to unlock bootloader.
Click to expand...
Click to collapse
Rooting or unlocking bootloader won't make a difference.
At this point, I'm beginning to feel that there is something wrong with the battery, and is the reason the previous owner was not using it for 4 months. Is the battery lasting fine it you charge it fully, even if slowly.

it's known hw issue, happen on this devices after years of usage if you're frequent using miui 33w turbo charge
that's why custom rom limit the charge 22w, the hw can't handle it
you will have to replace the charging board or/with the flex cable, or some people succeeded patch the flex/connector with some paper (look up on yt). The later usually won't last long.

TheMystic said:
Rooting or unlocking bootloader won't make a difference.
At this point, I'm beginning to feel that there is something wrong with the battery, and is the reason the previous owner was not using it for 4 months. Is the battery lasting fine it you charge it fully, even if slowly.
Click to expand...
Click to collapse
It's also my guess. After charging slowly everything is fine, it last like the previous one at the beginning so 2 days of normal use.

ledagiw said:
it's known hw issue, happen on this devices after years of usage if you're frequent using miui 33w turbo charge
that's why custom rom limit the charge 22w, the hw can't handle it
you will have to replace the charging board or/with the flex cable, or some people succeeded patch the flex/connector with some paper (look up on yt). The later usually won't last long.
Click to expand...
Click to collapse
I've heared about that issue with the board but all cases I' found where about charging or not, not that the slow charging is fine.

xfenixxx said:
I've heared about that issue with the board but all cases I' found where about charging or not, not that the slow charging is fine.
Click to expand...
Click to collapse
well, just reset it if you doubt, all software related issue should be solved
i don't understand the need for you to debate this
the mainboard and charging board handle the communication about turbo charge, the battery doesn't matter if it's can hold a charge
either try to replace those or accept you have a broken mainboard

ledagiw said:
well, just reset it if you doubt, all software related issue should be solved
i don't understand the need for you to debate this
the mainboard and charging board handle the communication about turbo charge, the battery doesn't matter if it's can hold a charge
either try to replace those or accept you have a broken mainboard
Click to expand...
Click to collapse
Ok, get it, thank you very much for your help.

Related

Stock charger - charges slow and drops battery

Hello there,
I decided to open this thread as I've now had a bunch of issues with the stock charger that came with the device and it would be interesting to know if there's anyone else who's having this type of issues.
The exact issues that I've been having with the stock charger seems to be that the charger doesn't output enough of a amperage for the tablet to hold charge while in use, and even when it's not in use it takes almost 7-8 hours to charge from 50% up to 100%. It's as slow as if I would charge it from a regular USB port, if not, even slower and I don't really know why exactly this happens as it says that it's charging from AC adapter in settings.
To comfirm my issue was not related to the tablet itself, I used another charger that's rated at similar specs to the stock charger (2.1A) but with the same Micro-Usb cable that came with the tab. With that charger, it charged up from 50% extremely fast (around 1,5 hour) and I could even use the tablet while charging without any battery drops. So that comfirms two things, it's not related to the tablet or data cable but to the actual charger itself.
Anyone else that's been having this type of issues with the stock charger?
My tab needs max. about 3 hours to charge full and imo it's ok. Tried charging during Half Life2 gaming and can confirm that there's not a lot of charging going on, maybe 1or 2% in an hour. But that's ok for me, as long as it doesn't start to get emty while charging during gaming.
The charger is defective or don't bring enough power to the unit. I also get negative charge while playing high end games an also increase when i am, on Optimized mode. Many others has reported this situation on GeForce forums but nVidia is quiet about it.
CM17X said:
The charger is defective or don't bring enough power to the unit. I also get negative charge while playing high end games an also increase when i am, on Optimized mode. Many others has reported this situation on GeForce forums but nVidia is quiet about it.
Click to expand...
Click to collapse
I get negative charge even when doing basic tasks like listen to music or watch a video with the stock charger, so I guess my charger is faulty. I've already reported the issue to Amazon and they gave me a 50GBP partial refund (80 USD!) because of the faulty charger without having to ship anything back.
I just find it odd that theres many people that have the issue and nvidia doesn't seem to do anything about it either!
GethPrime said:
I get negative charge even when doing basic tasks like listen to music or watch a video with the stock charger, so I guess my charger is faulty. I've already reported the issue to Amazon and they gave me a 50GBP partial refund (80 USD!) because of the faulty charger without having to ship anything back.
I just find it odd that theres many people that have the issue and nvidia doesn't seem to do anything about it either!
Click to expand...
Click to collapse
If i were you, i'll check with another charger doing normal stuff, if you still get negative charger maybe it could be your battery itself.
GethPrime said:
I get negative charge even when doing basic tasks like listen to music or watch a video with the stock charger, so I guess my charger is faulty. I've already reported the issue to Amazon and they gave me a 50GBP partial refund (80 USD!) because of the faulty charger without having to ship anything back.
I just find it odd that theres many people that have the issue and nvidia doesn't seem to do anything about it either!
Click to expand...
Click to collapse
My guess is that a faulty cable or the charger itself is causing D+ and D- to not be shorted together by the charger, resulting in the tablet thinking it's charging from a USB port instead of a dedicated charger.
Does device status report charging state as Charging (USB) instead of Charging (AC)?
I admit I never even unwrapped the stock charger, I've got one of those nice Anker 40W 5-port chargers along with a bunch of 24/28AWG MicroUSB cables from Monoprice.
Entropy512 said:
My guess is that a faulty cable or the charger itself is causing D+ and D- to not be shorted together by the charger, resulting in the tablet thinking it's charging from a USB port instead of a dedicated charger.
Does device status report charging state as Charging (USB) instead of Charging (AC)?
I admit I never even unwrapped the stock charger, I've got one of those nice Anker 40W 5-port chargers along with a bunch of 24/28AWG MicroUSB cables from Monoprice.
Click to expand...
Click to collapse
The charger appears as AC in settings, so it should be charging faster than it does.
I'm using a charger similar to what you use right now, a Dodocool 4 port charger that works great! However, I'm using the stock cable.
First make sure you are using stock charger and cable.
If you see discharge during non intensive activities you may have a defective charger. Nvidia has rma'd the charger by itself for people.
I have the same issue but my charging time is a bit better 3-4 hours. But what is really annoying that it makes a lot of electrical noise. I have a lot of things that I charge, but I have never heard this so load earlier. Its coming from the adapter, I can cleary hear from 3m. Anybody has similar issue? I try to record the sound, and send to nvidia. Maybe they will react.
Sent from my LG-D802 using XDA Premium 4 mobile app
Entropy512 said:
I admit I never even unwrapped the stock charger, I've got one of those nice Anker 40W 5-port chargers along with a bunch of 24/28AWG MicroUSB cables from Monoprice.
Click to expand...
Click to collapse
I can confirm that this combo works a treat for my NST. I use it to simultaneously charge my G3, NST, N7 and some small LiPos. Fast charge.
Sorry to dig up this thread but I've had the same issue and i was WTF-ing like crazy until i switch the USB cable to a charging cable i got from a power bank... The charge time dropped from 6-7 hours to 2-3 hours. I'm not sure why, perhaps my cable is faulty or perhaps it was meant to charge like this, or perhaps it is supposed to be used to connect a controller only (both ends seem to have a controller icon on them)?
MrHollow said:
Sorry to dig up this thread but I've had the same issue and i was WTF-ing like crazy until i switch the USB cable to a charging cable i got from a power bank... The charge time dropped from 6-7 hours to 2-3 hours. I'm not sure why, perhaps my cable is faulty or perhaps it was meant to charge like this, or perhaps it is supposed to be used to connect a controller only (both ends seem to have a controller icon on them)?
Click to expand...
Click to collapse
It's not due to the MicroUSB cable but due to a wallwart that's messing up the amperage I believe, as I've used the MicroUSB cable with other wallwarts and it charges normally then
GethPrime said:
It's not due to the MicroUSB cable but due to a wallwart that's messing up the amperage I believe, as I've used the MicroUSB cable with other wallwarts and it charges normally then
Click to expand...
Click to collapse
You are correct. I charged the tablet at home 2 times this weekend and it's definitely an issue with the charger as it sometimes charges properly and sometimes it does not.
MrHollow said:
You are correct. I charged the tablet at home 2 times this weekend and it's definitely an issue with the charger as it sometimes charges properly and sometimes it does not.
Click to expand...
Click to collapse
Get in touch with the retailer you got it from and ask for them to provide you with a proper charger, as a compensation
GethPrime said:
Get in touch with the retailer you got it from and ask for them to provide you with a proper charger, as a compensation
Click to expand...
Click to collapse
A bit hard to do since i got it from amazon.com when i was in the US (back in EU now) and there's no point in returning the tablet just for a semi faulty charger.
MrHollow said:
A bit hard to do since i got it from amazon.com when i was in the US (back in EU now) and there's no point in returning the tablet just for a semi faulty charger.
Click to expand...
Click to collapse
Contact amazon and tell them exactly about the issue, they'll compensate you for it probably. I got 50£ back from Amazon.co.uk for the broken charger, which is quite a bit of money.
GethPrime said:
Contact amazon and tell them exactly about the issue, they'll compensate you for it probably. I got 50£ back from Amazon.co.uk for the broken charger, which is quite a bit of money.
Click to expand...
Click to collapse
Thanks for the tip, i'll give that a try
Well, same thing here. Just noticed it while using Skype. Battery dropped from 100% to 95% pretty quickly while charging.
I'm going to ask Amazon for another charger or compensation.
I have a 2.4A charger and still battery no good.
I lose around 2% per min of battery charge while idling with battery saving features on (2 cores shut off, CPU frequency set at 50% and Framerate locked at 30FPS) when ingame the battery drops 2-3 times faster. takes 2 hours to charge from 97% to 100% and 2 mins to lose that charge. I think I bought a Tablet that has a faulty battery as this is not acceptable. My tablet is unusable as the battery takes a couple of mins to lose 3% of charge and a couple of hours to regain the 3% charge only to lose that charge (and then some) when I try to use the tablet.

Galaxy S6 slow charging issue

Hi,
couple of weeks ago, my phone starts charging slowly. Whenever I use any other charger, than original, its charges only with arround 400-700mAh - thats only 1/3 of the charging speed. The non original chargers have 2A output: Samsung car charger, ASUS tablet charger, ADATA powerbank. I tried different cables, restared the phone, charging while phone was off, cleaning the phone conector with contact spray.
The battery consumption is normal, arround 50mAh. The fast charging with original charger works OK. All the chargers, I mentoined, worked perfectly just month ago. Unfortunately, I do not have the options test the chargers on other phones, because all other are just slow chargers (1A)...
Any idea, why this is happening?
partialy solved
I perform some tasks, and it seems, that it helps:
I did: wipe system cache. This increases the charging speed from 1/4 to 3/4 (400mAh -> 1300mAh) from the powerbank. The charging speed from car charger didnt changes
Then I did factory reset of the phone and it seems, that this helps.
The charging speed is very depending on the proper usb cable used. One cable works fino on one charger, but performs bad on another...
niio said:
I perform some tasks, and it seems, that it helps:
I did: wipe system cache. This increases the charging speed from 1/4 to 3/4 (400mAh -> 1300mAh) from the powerbank. The charging speed from car charger didnt changes
Then I did factory reset of the phone and it seems, that this helps.
The charging speed is very depending on the proper usb cable used. One cable works fino on one charger, but performs bad on another...
Click to expand...
Click to collapse
all USB Cables have different amperes, some have 2A some have 2.1A, furthermore, it also depends on the power source, the car's charger couldn't be as strong as the wall socket i think.
Anyways, on a side note, i suggest you try Aukey quick charge 2.0 powerbank. fast charges your S6.
niio said:
Hi,
couple of weeks ago, my phone starts charging slowly. Whenever I use any other charger, than original, its charges only with arround 400-700mAh - thats only 1/3 of the charging speed. The non original chargers have 2A output: Samsung car charger, ASUS tablet charger, ADATA powerbank. I tried different cables, restared the phone, charging while phone was off, cleaning the phone conector with contact spray.
The battery consumption is normal, arround 50mAh. The fast charging with original charger works OK. All the chargers, I mentoined, worked perfectly just month ago. Unfortunately, I do not have the options test the chargers on other phones, because all other are just slow chargers (1A)...
Any idea, why this is happening?
Click to expand...
Click to collapse
I am wondering if this may be related to an update? Both me and the wife started experiencing this same problem, at the same time (different chargers). A few nights ago our chargers were working fine then the next night after 12 hours of charging battery is only around 80%
I did a factory reset on mine on Sunday for other reasons but this has made no difference to the charging issue
Cougar-UK said:
I am wondering if this may be related to an update? Both me and the wife started experiencing this same problem, at the same time (different chargers). A few nights ago our chargers were working fine then the next night after 12 hours of charging battery is only around 80%
I did a factory reset on mine on Sunday for other reasons but this has made no difference to the charging issue
Click to expand...
Click to collapse
Download Advanced Battery Calibrator from Play Store.
Uzair40 said:
Download Advanced Battery Calibrator from Play Store.
Click to expand...
Click to collapse
I tried this app as you suggest and to be honest my battery is worse rather than better. From fully charged, my battery has dropped by 20% in less than 2 hours pretty much being on standby. See screenshots below.
Cougar-UK said:
I tried this app as you suggest and to be honest my battery is worse rather than better. From fully charged, my battery has dropped by 20% in less than 2 hours pretty much being on standby. See screenshots below.
Click to expand...
Click to collapse
It's weird, anyway download the latest stock firmware for your device model and flash it using Odin. Wipe everything from Recovery Mode before and after flashing.
What difference would flashing stock firmware make? My phone is up to date and I did a factory reset on Sunday
Hi everyone .I'm also using s6 is very slow almost a week and it take almost 5 hour to be full charged and also it's not detected bu usb in computer and otg is also not recognized
hasvuai said:
Hi everyone .I'm also using s6 is very slow almost a week and it take almost 5 hour to be full charged and also it's not detected bu usb in computer and otg is also not recognized
Click to expand...
Click to collapse
I have the same situation, my s6is chargind just at 400mA speed, and my pc is showing USB not recognized (windows 10), thought it could be a usb charging board just pluged in new one, nothing changed... the same problem. there is somthing more, likely usb chip on motherboard or maybe battery... or some kind of problems
hasvuai said:
Hi everyone .I'm also using s6 is very slow almost a week and it take almost 5 hour to be full charged and also it's not detected bu usb in computer and otg is also not recognized
Click to expand...
Click to collapse
xenixas said:
I have the same situation, my s6is chargind just at 400mA speed, and my pc is showing USB not recognized (windows 10), thought it could be a usb charging board just pluged in new one, nothing changed... the same problem. there is somthing more, likely usb chip on motherboard or maybe battery... or some kind of problems
Click to expand...
Click to collapse
I have the exact same issue! Have any of you pinpointed the cause? My phone didnt charge at all for a few days (stayed at 0%) but now it takes a charge but charges really slow (5 hours approx to full) its also not recognised by odin...
rm83855 said:
I have the exact same issue! Have any of you pinpointed the cause? My phone didnt charge at all for a few days (stayed at 0%) but now it takes a charge but charges really slow (5 hours approx to full) its also not recognised by odin...
Click to expand...
Click to collapse
Were you able to fix the issue? Im currently experiencing the same thing..
rm83855 said:
I have the exact same issue! Have any of you pinpointed the cause? My phone didnt charge at all for a few days (stayed at 0%) but now it takes a charge but charges really slow (5 hours approx to full) its also not recognised by odin...
Click to expand...
Click to collapse
my culprit was the provided samsung cable. if you're in the UK the "betron" reinforced cables from Amazon sorted my problem... cheap and comes with warranty. Mine is still going strong and no problems here
rm83855 said:
my culprit was the provided samsung cable. if you're in the UK the "betron" reinforced cables from Amazon sorted my problem... cheap and comes with warranty. Mine is still going strong and no problems here
Click to expand...
Click to collapse
For my case, it happened after my phone is updated. I brought my phone to a service center unfortunately it's already out of warranty. They are asking around $90 to have my phone fixed. According to them, they need to replace the battery and the sub board.
Im really dumbfounded how this happened.
I have the same problem with my s6 I have replaced the charger port and still won't connect to the pc or fast charge

Changed usb port but still slow charge

Hi all, i have a problem with my s6. I repaired my s6 usb port and changed it with a new one. But still my phone charges at 250mah instead of 2000 and my pc wont recognise it, any suggestions?
A kind of "script-type" solution, but have you tried different USB cable? I suggest you buy a proper one, like 28/24 gauge USB cable.
These are a bit more expensive, but charge very well. Much better quality and charge faster.
Already changed ton of cables and usb ports, still the same problem
up
up
up
up
Try To boot in safety mode volume Down + Power key
merwan said:
Try To boot in safety mode volume Down + Power key
Click to expand...
Click to collapse
Already done
up
up
up
up
I think your charging ic on logic board needs replacing. Only micro solderer people can replace that. Might not be worth for you.
i ve lent it on a samsung repairer guy. they changed battery, connector and installed a new os. now they said they should give me it tonight or tomorrow.. let s see if it works
ManuelBiancolilla said:
Already changed ton of cables and usb ports, still the same problem
Click to expand...
Click to collapse
The way I read that you're expecting to get rapid charge from pc ports. Need a rapid charger for rapid charging.
ManuelBiancolilla said:
Hi all, i have a problem with my s6. I repaired my s6 usb port and changed it with a new one. But still my phone charges at 250mah instead of 2000 and my pc wont recognise it, any suggestions?
Click to expand...
Click to collapse
Same issue here. Think its related to a charging chip
Hi,
I've got the exactly same problem here. Repacinfg battery and the USB port of the phone did not solve the problem. Did your repairing work out? Any more ideas?
Br
Johannes
Hello all :
I have exactly the same problem that you all I have 250 to 300ma really charge, that it is any charger of 0.5 amps 3.1 amps either with a quick charger from Samsung or quick charge 2.0 or other, any cable too, and any rom, tested Global, Lineage and stock.
Oooo, and i tested with a custom charger, 9v 2amps, nothing change !!! 0.250amps and 5hours to 50% -> 100%....
Is really strange problem.
Any Idea ? is possible to limitation software ???
Poebat said:
Same issue here. Think its related to a charging chip
Click to expand...
Click to collapse
Yes is possible, but here i dont know.. beacause, it would have quite different effects depending on the chargers and on the voltage. here we have, in my case, the same problem regardless of the charger amps or voltage.
this is more like a software crash of the chips in the worst case.
Other hand I noticed that I had lost all utilities USB my phone example when I plug it on my computer it is absolutely not recognized... Any Idea for that ???
Thanks
Up
Need help.
In software, how or where is manageme the charge ? In the kernel ?
Is strange, the charge is blocking at 250ma...

Doogee S96 Pro wireless charge not working

The phone is rugged, with a fairly thick layer of Aluminum in the cover. However it's enabled for wireless charging (10W), as stated from the manufacturer.
Online, I see many people succesfully charge it through wireless pad.
However, I've tried 5 different brands and all of them are not working.
Usually something is detected (the led blink) but it's often related with something like "device not detected".
I tried with a factory reset but it's not working. any idea on why it might not work?
Is it maybe a software bug? I've root and magisk, is there something at kernel level it worths trying?
Thank for the suggestions, regards.
Giulio
I have the same problem. Wireless charge starts, then after 10 seconds or so, it stops charging. Have tried this with 2 different pads, and am using a 2 Amp adapter.
GL97443 said:
I have the same problem. Wireless charge starts, then after 10 seconds or so, it stops charging. Have tried this with 2 different pads, and am using a 2 Amp adapter.
Click to expand...
Click to collapse
Here there is the same problem
I gave up on wireless charging, been using the cable for some time now *sigh* Otherwise, pretty good phone, had it for some time now with no other issues.
GL97443 said:
I gave up on wireless charging, been using the cable for some time now *sigh* Otherwise, pretty good phone, had it for some time now with no other issues.
Click to expand...
Click to collapse
OK. You are lucky. My phone also came with defective USB. I think Doogee is not reliable at all.

OP 8 all of a sudden not warp charging nor data transfer thru USB

Hello,
As title says, my OP 8 does no longer Warp charge and also no data connection when connected to my car or DJI drone for example.
It does charge, but at normal speed and Warp logo not coming up. Also when connecting it to my car Android Auto is not starting as it did before.
I already tried 2 different original Warp chargers with different original cables.
I also replaced the USB flex with 2 diff replacements I bought from MobileSentrix.
Nothing is working.
Any ideas?
I am on version Oxygen OS 11.1.5
IN68CE which is the latest one for the Visible edition.
I appreciate any help.
Possible C port pcb failure.
Possible battery failure.
Use -known- good cable and charger to test...
blackhawk said:
Possible C port pcb failure.
Possible battery failure.
Use -known- good cable and charger to test...
Click to expand...
Click to collapse
Thanks for your reply. I lean towards PCB failure because data transfer is also not working
tero2012 said:
Thanks for your reply. I lean towards PCB failure because data transfer is also not working
Click to expand...
Click to collapse
Yeah that's likely but if the battery is over a year old I probably replace it too.
Erratic or failure of fast charging to engage are also symptoms of battery failure.
Any swelling is a battery failure.

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