Battery charging slowly after 60% - Asus ZenFone Max Pro M1 Questions & Answers

This started happening when i flashed 338 update from twrp. The phone charges at just 200-300mA. When i disconnect and reconnect the charger while this is happening, the phone charges fast for a few seconds, automatically disconnects and starts charging slowly. Changing kernel doesn't work. Please help
UPDATE: ok so apparently a couple of usb-related magisk modules were causing this. Uninstalled em and everything fine now hehe

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[Q] Phone suddenly went dead (latest MIUI 2.6.35 kernel)

My phone just went dead yesterday, while playing tiny tower. Suddenly turned off, and would not turn back on. When I connect the charger, the led in in the speaker blinks. When the charger is not connected, the phone is completely dead. And it does not respond to anything either way. I don't know if this is rom related. Probably not? I'm thinking returning it to the shop, and hoping for the best is my only option, unless someone here has a better idea.
Update: I tried turning it on, connected to the charger, but without the battery in. It starts. So I guess the battery died? Suddenly and completely?
What happens if you turn it on without battery in and then insert battery?
Mine did a similar odd thing when I first wiped battery stats. Was playing angry birds to drain battery right down and it turned off, but would not start. LED just blinked when power was in. I just had to plug it in and unplug it a bunch of times and it finally started charging.
I did wipe battery stats last week, but have been through a few drain/recharge cycles since then. When I start with the charger connected and insert battery it gets past the boot animation and then shuts off. I tried with a different battery yesterday, and it worked fine. When you say plug it in and unplug, do you mean connecting and disconnecting charger, just repeatedly?
yeah, was just plugging and unplugging a lot and it finally worked. If another battery worked then that would seem to be the fix.
Will try that. Thanks!
Managed to get it to start by putting the battery in after starting with just the charger first. Had to try a bunch of times before it worked. Been charging now for 5 hours, but it never gets past 10% charge on the battery? Do I just let it keep charging or is there some other way to fix it?
That happened to me in the day I bought my phone. It only started with the charger plugged in (and with no battery).
I thought the problem was in the battery, but in the store they tried with a new battery and the phone did not connect. So they replaced and everything is fine (since September).

My phone is down when i discharging

I I bought the phone from google 1 week ago, in the early days works well. But then when I flash franco kernel finds phenomenon if I do not connect with computer or charger, the phone crashes, I tried to flash a different kernel, flash CM.10 still crashes when not charging or connecting to computer. I also tried to flash stock and unroot, but still did not fix the error. I now no longer in the U.S., so I can not warranty equipment.
I think my battery is fine, when i discharging, cpu-z show battery 3940mV, but 3 minutes later the phone hangs, the sreen still on, and it will on until battery down, but no response when touching, push button or connecting computer again.
I really need the help. please

OP2 Not charging until rebooted

I've been having an issue with my OnePlus 2 since I got it where sometimes it won't charge until I've rebooted the unit. It will not lose battery while plugged in and in this state but says not charging and shows the plugged in battery icon. Anyone else having this issue?
Yep, but I usually don't use the official cable/charger.
Yah, I am also facing this problem with my brand new OP2.
Yeah same issue with my handset. It would use the USB data connection and everything will work fine. But it won't charge, for which I require a reboot.
I called up their customer care and I was asked to clear the cache, which I did. Will post my observations further
I get this issue too. Hopefully it's a software issue that can be fixed on all opt. Are any of you on a custom rom or kernel?
I'm on stock rom with AK kernel.
clear cache
Getting this very annoying issue also. Its clearly software because, as mentioned, a reboot solves this.
Can you tell me what cache they asked you to clear? How did you actually do this?
Cheers
Noam M.
I received my phone yesterday, and charged it up to 100%. Today it refused to charge from my computer, and I had to plug it into the wall with the AC adapter to get it to charge. I will try a reboot next time and see if that works.
I'm running it 100% vanilla.
Me too - same issue.
Stock Cable always (others are still no delivered..)
also Stock Kernel + ROM (Oxygen 2.1.1)
I have the same issue: it charged when plugged into the AC adapter or an Anker, but wouldn't charge when connected to my MacBook. It still drew its power from the USB connection though, so it stayed at the same battery level. A reboot did not help. Using the rooted stock ROM (2.0.3).
Same issue here though I have only had this problem while charging via PC USB port. Charging from AC power adapter works fine every time.
I am on a 1 month old OnePlus 2 A2003 (European) with Android 5.1.1, kernel 3.10.49 and Oxygen OS 2.1.1.
Also encountering this problem – it appears that after the phone successfully charges to 100%, it needs to be rebooted before it enables charging from a USB port again. Charging using a wall charger seems to work at any time.
There's a discussion about this issue over on the OP forums. Just thought I'd cross-link the two.
I haven't received the 2.1.2 update yet; will post if it fixes the problem.
Well, so far it looks like the 2.1.2 update fixed the issue indeed, at least for me and one other poster over at the OP forum.
Try These :
1. reboot in bootloader mode. (switch off -> power button + vol. low)
Wipe Cache (if you wipe data your phone will be reset!)
It should work now!
2. Let your battery go to 0% and wait for 5 minutes, now plug it into charge, it should work properly now.
Do Thank! if it worked!

Charging intermittently stops and resumes rapidly

My 6P on 6.0.1 stock with the march update has had occasional times where it will intermittently charge, then stop, then charge endlessly, changing back and forth about once a second or more often. There's been times I've woken up, like today overnight when I noticed it barely inched up a percent or two on the Google USB-C cable connected to my laptop.
To isolate this from being a defective cable issue, this has also happened with the Google charger that came with the phone. I would see the screen turn on in fact, like when you first plug the phone with the screen off, to indicate charging has begun. That would occur every few seconds.
I'm a little concerned. The time it happened with the charger, a reboot seemed to have calmed it down. But today no matter the restart, the charging just keeps cycling nonstop.
Anyone else had this? Would it be wise to file a problem with the Google forums and contact support?
Thanks for any help!
Same problem here
Dang, good to know I'm not alone!
I've also experienced higher battery drain (twice more I'd say) than normal recently. Even overnight when I used to see hourly drain rates of 0.5%, now I see 1.5% and higher. Getting worried the charging issue may be damaging the battery. But it could also be the patch or a rogue app.
I have the same issue - it started about 3 days ago
Well either the cords bad, the brick is bad, or the receptacle. Or the charging port on the phone, the battery or power control module in the phone. Or if theirs a thick case on your phone.
Sounds like it starts to charge then stops. But I'm no electrician. Oh wait, yes I am.
It starts to charge, then stops as though the cable was disconnected, then resumes within half a second, then disconnects, and so on and so forth non stop.
Case might be a reason. It's a rubber and plastic transparent Spigen one. I'll try removing it when it happens again next time.
But at this rate, sounds like 3 people are having the same issue, and if it's a hardware one, then damn....
This isn't the charger... There is something buggy with the update. I woke up a few days ago after the march update with an almost dead phone, and the charging icon flashing over the battery, as if the phone new it was plugged in but refused to charge. I unplugged and plugged it back in with the same result. I restarted and tried again, same result. I was only able to get it to charge my plugging it into my girlfriend's nexus 5x charger, which instantly started charging my phone. I went back to my charger and all of the sudden no issue and the phone was charging fine. There is definitely something up with this update.
Well then, that makes 4 people now.
What's a good way to report this?
I'm not seeing the same exact issue as you guys, but I AM having charging issues after updating to MHC19I. I can still charge my phone from the stock charger and my other USB-C chargers, but now none of them allow my phone to charge rapidly. Do you guys who can get your devices to charge from a rapid charge compatible charger see the "Charging Rapidly" message on the lock screen? Ever since this recent update, I've noticed that my device isn't (and is taking over 2 hours to charge fully from ~20%).
I have this problem too. It's fixed by a reboot so I'm assuming it's not a hardware problem. It only happens once a week or so.
The first time it happened I didn't notice the charging/not charging and only realised something weird had happened because my phone was off & showing fully charged. My phone is never switched off.
I figured it out the next time when I noticed the screen was still on during the night. Switching from charging to not charging was keeping the screen on.
So glad it's not just me.
flightsimmer said:
I'm not seeing the same exact issue as you guys, but I AM having charging issues after updating to MHC19I. I can still charge my phone from the stock charger and my other USB-C chargers, but now none of them allow my phone to charge rapidly. Do you guys who can get your devices to charge from a rapid charge compatible charger see the "Charging Rapidly" message on the lock screen? Ever since this recent update, I've noticed that my device isn't (and is taking over 2 hours to charge fully from ~20%).
Click to expand...
Click to collapse
I normally see it say that on the USB C charger. That being said, you seem to have an intermediate speed going on, as opposed to super slow normal USB cable speeds and the USB-C fast charger. In my experience most 1-1.5V low amp ports like my Mac's, or the car's USB port will charge at a rate of about 1% per 3-5 minutes. So a full charge would take 8-9 hours from 0%. From the USB-C wall charger it would be about 1%/m so an hour and forty is enough to get it back to full.
Based on that your charger seems to be somewhere in the middle.
But yes it isn't normal. If you are using Google's native hardware, you should see the same charging speed as I am.
I'm just terribly worried this cycling is destroying my battery. I have definitely not gotten the same battery life the last few weeks.
Hey guys!
I experience sort of the same problem as you guys, but i have the Nexus 5x
i copy from my thread at google nexus forum
My phone just randomly die. It will work for like 2 hours. Almost like the battery would been disconnected.
When the phone shutdowns it says the battery is low and try to charge. The Battery icon with a flash is showing, but just for 5-7 seconds, then it shutdown again and it's looping again and again and again.... To get out of the loop i'm booting in to fast boot, then push at start. and it is almost 50/50 if it is working. It can be booting up and you see the red/yellow/green/blue yada yada boot-up sequence then in 5-7 seconds in to the sequence it would shutdown again immediately.
I tried several factory-resets. re-flashed to stock. Nothing helps.
/marcus
Same issue
Just starting having this issue. It constantly says charging then a second later shows no charging and the process keeps repeating itself. I did a reset and the issue seems to be resolved for now. Really hope this isn't a constant issue. Definitely appears to be software related though.
zxphenomenalxz said:
Just starting having this issue. It constantly says charging then a second later shows no charging and the process keeps repeating itself. I did a reset and the issue seems to be resolved for now. Really hope this isn't a constant issue. Definitely appears to be software related though.
Click to expand...
Click to collapse
I hadn't had it for a while then recently it happened again once. I still don't know what triggers it for sure.
The battery drain is also rather random. There are days I can expect the unit to idle and drain at or below 2%/h, but lately it just goes through it way faster, twice that. I am unsure why and how that happens so randomly. Seems the Google Play Services and Google Apps are using up some %s. Not much else I can identify.
I've had this issue since a few days ago, restarted the phone and it's come right for now.
Haven't experienced this in weeks now.
Seems largely gone.
Any updates on this? My Nexus 6P started showing the same symptoms (either won't charge at all, or charging cycles on and off rapidly (< 1 second) and only sometimes charges). The issue appeared out of the blue 4-5 days ago, just before the 1 year anniversary of receiving the phone. I tried different cables and adapters, still no change. Last night at 11pm it was at 50% when I set it to charge and it seemed to charge. This morning at 6:30 am it had only charged up to 83% and was charging on and off. Worried about how to reliably use the phone if it won't charge, and also how this might affect the battery / other circuitry.
Any help/tips appreciated!
Edit: The phone hasn't been dropped or had any other issue that may affect the hardware. Also, no OS update or anything recently (AFAIK - it did not ask me to install anything, not sure if there were any silent updates). It is currently on Android 7.0 Nougat (baseband version angler-03.72, build NBD90X, security patch level Oct 5, 2016).
Have not had this in a long time. It sort of stopped on its own. :S
Solved (for me anyways)
I just had to restart the device.
I'm having the same issue on my LG G5. Started out of the blue and like others, restarting temporarily solves the problem. Anyone solve this yet?

[Q] wiped data by itself

happened on two different roms (RR and LOS)
battery < 10%
plug phone in to charge overnight (wall outlet)
find the phone bootlooping in the morning (probably after 4-6 hour charge) maybe not bootlooping, but stuck on boot animation
unplug, hold power to turn off and turn on
phone boots, but all app data has been wiped
really annoying problem that i hadnt had in over a month with RR as daily driver. switched to LOS and just happened again
I have a feeling this is hardware related now... and not necessarily related to the low battery state when plugged in... seems like battery charges up and then this occurs, but im unsure how to diagnose the issue... google has failed me on this one :crying:
Finally figured this out, hopefully helps someone else
After phone has rebooted on its own and is stuck on the boot animation, unplug the USB adapter. It will eventually boot and then reboot again on its own. Once it does boot the second time, it will be fine
The wiping was happening because I was holding down power to force the reboot. Should not do this
Very surprised that I am the only one reporting this on this device and that no one else has even heard of this. But ok

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