Develop Bugs

[Q] Slow fast charge?

Is everyone really getting the 50% charge in 30 mins? It feels like I am getting about 1% per 1 min of charge time on average. Not sure if that is normal or I have a defect somewhere? Also, is fast charging safe to use for every charge session or is it meant to be used once in a while for emergencies? Thank you.

yes my phone will go from zero to 100% in an hour no problem when using charger that came with phone

oneandroidnut said:
yes my phone will go from zero to 100% in an hour no problem when using charger that came with phone
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Really? Did it charge like that from the very beginning or did it take a few charges to get to that speed? I think it takes me like 1.5-2 hrs from real low to full charge with fast charge enabled.

burntrat said:
Really? Did it charge like that from the very beginning or did it take a few charges to get to that speed? I think it takes me like 1.5-2 hrs from real low to full charge with fast charge enabled.
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yup and as long as i can remember it has always done it. It goes stupid fast. went from 30% to full in under 40 mins thing flies

oneandroidnut said:
yup and as long as i can remember it has always done it. It goes stupid fast. went from 30% to full in under 40 mins thing flies
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Were all your fast charges with the phone on or off?

burntrat said:
Were all your fast charges with the phone on or off?
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phone on

Hmmm... I am on day 14 with the phone. Wondering if I should return it to vz....

burntrat said:
Is everyone really getting the 50% charge in 30 mins? It feels like I am getting about 1% per 1 min of charge time on average. Not sure if that is normal or I have a defect somewhere? Also, is fast charging safe to use for every charge session or is it meant to be used once in a while for emergencies? Thank you.
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I used to get those insanely fast charge times; however, recently my phone has been charging slower (with fast charging on). Not only that, but, for some reason, the original wall adapter stopped working twice now. The first time it freaked me out because I thought my phone was messed up, but it turned out that everything was working except the adapter. Then later, I found out that if I reboot my phone with the adapter plugged into the wall, the charger will magically start working again! This worked for one or two charges. Today, I found that my phone was, again, charging extremely slow. Not only that, but my phone stopped charging after around 50% and the adapter is broken once more. I've tried the reboot thing three times and it didn't work again T: So now I'm kind of worried my phone might be defective?
Has this happened to anyone else with charging issues?

JippleStar said:
I used to get those insanely fast charge times; however, recently my phone has been charging slower (with fast charging on). Not only that, but, for some reason, the original wall adapter stopped working twice now. The first time it freaked me out because I thought my phone was messed up, but it turned out that everything was working except the adapter. Then later, I found out that if I reboot my phone with the adapter plugged into the wall, the charger will magically start working again! This worked for one or two charges. Today, I found that my phone was, again, charging extremely slow. Not only that, but my phone stopped charging after around 50% and the adapter is broken once more. I've tried the reboot thing three times and it didn't work again T: So now I'm kind of worried my phone might be defective?
Has this happened to anyone else with charging issues?
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I haven't ran into anything like that yet. Who is your carrier? Maybe you can take in your charger and battery to get it replaced? Can you try charging with a different quick charging phone or something to narrow down if it's the phone or charger's fault?

burntrat said:
I haven't ran into anything like that yet. Who is your carrier? Maybe you can take in your charger and battery to get it replaced? Can you try charging with a different quick charging phone or something to narrow down if it's the phone or charger's fault?
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Although I am fairly certain that my issue was the wall adapter portion of the charger, I just found it strange that the fast charging function failed to work properly around the same time when my wall adapter started to fail. Hopefully I am right and nothing else was wrong, but I thought that I would say something in-case I was wrong
As for getting it replaced... I bought my Verizon Note 4 at BestBuy off-contract and when I went there, they claimed to not have any in stock. They never really bothered to ask if I wanted to replace it even though I brought all my receipts and junk so I just took that as I wouldn't be getting a replacement haha :crying:
If anything I'll probably end up just buying another fast charger from samsung later, but for now slow charging is fine I guess. The fast charging did make both my device and charger hot, so maybe that was the problem?
edit:
I do not have any other quick charging devices (to my knowledge), but the wall adapter - combined with various other cables - continued to fail with my other phones as well.

I also say about a hour for a full change

mrgigabyte2002 said:
I also say about a hour for a full change
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Weird, I need like 1.5 hrs to get from 15% to full on fast charge and about 1.75 hrs for 15% to full on slow charge.

i timed my 1st charge. 57 min from 0 to 100. phone turned on and screen off.

Yep, to me that's the best feature. No more battery switching.
I even bought the Verizon vehicle charger with fast charge, and it works just as quick

big70tom said:
Yep, to me that's the best feature. No more battery switching.
I even bought the Verizon vehicle charger with fast charge, and it works just as quick
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Do you know if it's safe to use fast charge for every charge up? If it shortens battery life over time, I'd like to know this now and only use fast charge sparingly.

Yes. It shortens battery life. By using the only charger they give you, you essentially cut your battery life in half. It's a conspiracy by Samsung and the makers of the materials used the batteries

big70tom said:
Yes. It shortens battery life. By using the only charger they give you, you essentially cut your battery life in half. It's a conspiracy by Samsung and the makers of the materials used the batteries
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Whoa..it cuts it down that much? Where did you read about this?

burntrat said:
Whoa..it cuts it down that much? Where did you read about this?
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Pretty sure that was sarcasm. I'm less sure about your comment, though. ;P

I read it in American Android, first December issue. They did a study. Only way to avoid the battery dissipation was if you only used the fast charger at night, and Sundays after noon, but before 1pm PST. fascinating article. It's amazing what a group of students at Yale who love Android can actually accomplish.

I think I can work around that charging schedule. I am also going to subscribe to that magazine now.

[Q] LG G4 Charging Very Slowly

Hi, I just got an LG G4 yesterday. Charging using stock charger, or any other charger I had no problems with S3 before, is really slow. As in obviously slow. The unit is estimating 3-4 hours to charge 30%-40% of battery. Once it took around 20-30 minutes to just charge 5% of battery.
Using Ampere app it is showing on average just 270mah charge. Sometimes it registers 1660mah, then it drops down significantly and settles with 270mah.
Using the dual sim model if that's any help.
Is this a new battery thing? Should I insist to have the unit (or the battery) replaced? Is this a hardware or a software issue? Even if i insist to have this replaced I want to be able to explain that this is a factory defect.

Same problem here..
Really annoying.

gideon200 said:
Same problem here..
Really annoying.
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Same here, I think it charges at full speed when the screen is off...
I got myself a QC2.0 charger and its doing exactly the same.
It does appear to charge faster with it while the screen is off but I'm wondering if there is an update to the device that needs to be done to fully support QC2.0

i've buy an Aukey Turbo Charger Adapter.
Then my G4 has fast charging more about 75%

I've seen the same thing happen on mine. Highest current I've seen was 1650 mah. And that's with the screen off. Leaving the screen on it reduces to 270 mah
Sent from my SHIELD Tablet using XDA Free mobile app

I had the same problem but it stopped after about week. Now it charges quite quickly and that's not with the fastcharge that isn't too impressive.

Same issue. Charging went from 2% to 46% in about 3.5 hours and it says it's still another 4 hours before it completes charging. Totally annoying.

i using the Aukey Turbo Charger and get around 1%-1.5% every min i have done 30%-70% in like 40min

I have a HTC quick charger that I used with my M8. It works well with the G4. With the screen off I have had nearly 2 A charging. It is much less when the screen is on.

Just got my G4 and it's doing the same thing.
Sent from my Nexus 6 using XDA Free mobile app

Bogega said:
Same issue. Charging went from 2% to 46% in about 3.5 hours and it says it's still another 4 hours before it completes charging. Totally annoying.
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are you using the screen while its charging tho? how many times have you charged it already since you got it?

Phurkus said:
are you using the screen while its charging tho? how many times have you charged it already since you got it?
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my post was made during 2nd ever charging. i did turn on screen occasionally, but not like it was on all the time.
last night charge was shorter - around 5.5 hours.

This is really annoying trying to stream music and navigation sometimes losses a charge. With nexus 5 I usually gained 30 plus percent on my way to work on 40 ish minutes with car charger.

It "might" be a software limitation, to avoid pushing the battery too hard in its early cycles. Same as a brand new car, they usually tell you not to drive too fast for the motor to actually run with optimal parameters.
[2cents]

I am also experiencing the same. I am getting 640mA. It is really frustrating. Yesterday I connected the phone with the provided cable with G4 with my laptop. And i was using the phone, not heavy using. And actually the battery was draining, rather than charging. I got so frustrated. I found the phone actually charges better while staying idle & screen off, but not very promising.

Yep, add me to that list too. T-Mobile G4 with screen off and no use because I'm driving almost all day just to see a 5-10% more charge after driving almost 2 hours. The original charger behaves the same way too. The only fix I've found is to turn the phone off and charge it. It charges really fast that way only.
Sent from my LG-H811 using Tapatalk

Charged mine from 2 to 100% in under 2 hours with my note 4 charger

@fatboypup does this also work with screen on? Imagine using gmaps in the car, screen and gps active - it would be a pity if the g4 lost power in such a situation when on the car charger

pen² said:
@fatboypup does this also work with screen on? Imagine using gmaps in the car, screen and gps active - it would be a pity if the g4 lost power in such a situation when on the car charger
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As I noted above it is an issue with cars too. I'm lucky to gain 5 to 10 percent with navigation and streaming music in 45 mins. The same situation with nexus was over 30%.

Does this behavior stay or is it only for the first charges? Is there anyone who has no slow charging with screen on? Is the g4 gaining at least some percent when navigating with gmaps?

Slow Charging Issues

For the past few days, I've noticed very slow charging on my Pixel even if it says "Charging Rapidly". However it would say it will take around 3 hours to fully charge. When fast charging works, usually clocks at 1 hour and 30 minutes.
I really don't know what can be causing the issue. It's the original charger, and cable. Normally removing the cable and putting it again would fix the issue but it's becoming a common thing for it to take 3 hours.
I remember a similar issue on my Nexus 9 and cleaning the cache would completely fix the issue, but the Pixel XL is missing the Wipe Cache option in the recovery.
Any similar experiences?

On the OEM included charger?

Nitemare3219 said:
On the OEM included charger?
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Yup.

Could try a factory reset.. probably the only software related solution. I can't remember, but Chainfire may have said that the cache.img was one of the things that got removed in 7.1 so I don't even know if you could wipe it if you wanted to. You could also hit up Google support... maybe they'll send you a new charger to try. Make sure you're using the OEM cable too, at least for now, until you figure it out.

I had this exact issue with mine, factory reset / charging in safe mode didn't work.
Turned out to be a faulty usb cable but Google insisted on replacing the entire package (handset etc) Replacement works fine

FSOP said:
I had this exact issue with mine, factory reset / charging in safe mode didn't work.
Turned out to be a faulty usb cable but Google insisted on replacing the entire package (handset etc) Replacement works fine
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Well, thanks for the heads up! What sucks though is that it's type C to type C, I have some Type C to regular USB, I guess I'd have to buy one.

elfrisi said:
Well, thanks for the heads up! What sucks though is that it's type C to type C, I have some Type C to regular USB, I guess I'd have to buy one.
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If it makes you feel any better, Google exchange process is amazing.
Raised the return on mine about 4pm and the replacement was on my desk 9am the next morning, they also give you 14 days to send your old one back so you're it without a phone.

I use ampere to see what the charging rate is and I don't feel like the fast charge is that fast.... My 6p charged at a faster rate and my pixel charges at a faster rate using my Choetech smart charger. I'm going to have to drain the battery and see how long it takes to fully charge with the stock charger

Smallsmx3 said:
I use ampere to see what the charging rate is and I don't feel like the fast charge is that fast.... My 6p charged at a faster rate and my pixel charges at a faster rate using my Choetech smart charger. I'm going to have to drain the battery and see how long it takes to fully charge with the stock charger
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When I checked mine it was charging at something like 2600-2800 but i only watched it for a few minutes, might have gone higher

FSOP said:
If it makes you feel any better, Google exchange process is amazing.
Raised the return on mine about 4pm and the replacement was on my desk 9am the next morning, they also give you 14 days to send your old one back so you're it without a phone.
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Yeah but they will most likely put a $769 hold on my card... :S

Some phones ie lg v10 do not "fast charge" while screen is on (while youre looking at it) to avoid overheating. Ampere cant show max charging rate. I use a usb sleeve (usb doctor) that displays that info or turn on notification display
EDIT: Supposedly Pixel do not fast charge while in use either.

clockcycle said:
Some phones ie lg v10 do not "fast charge" while screen is on (while youre looking at it) to avoid overheating. Ampere cant show max charging rate. I use a usb sleeve (usb doctor) that displays that info or turn on notification display
EDIT: Supposedly Pixel do not fast charge while in use either.
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I think I can confirm this. Last night mine showed 27 minutes to charge from about 50% but after keeping the screen awake for about 30 seconds, it went up to 51 minutes.

I also find my Pixel charges very slow as well even though it says Charging Rapidly (OEM charger, cable). The GSM Arena review said they went from 0% to 46% in 30 minutes, I get more like half of that at most. I used Ampere and it said i was only charging at 710 mA.....

trace1er said:
I also find my Pixel charges very slow as well even though it says Charging Rapidly (OEM charger, cable). The GSM Arena review said they went from 0% to 46% in 30 minutes, I get more like half of that at most. I used Ampere and it said i was only charging at 710 mA.....
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If you charge it from almost empty it charges very quick, but slows down once it gets nearer to full

FSOP said:
If you charge it from almost empty it charges very quick, but slows down once it gets nearer to full
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Yes i started charging my phone when it was 4%, and when i looked at it about 20 minutes later it was only at 16%. I think it took about 3 hours to fully charge. The only modification I've made to the phone is unlock the Verizon bootloader and flash the P software (which was subsequently updated to V). I'm seriously wondering if the charger or cable is defective.

trace1er said:
Yes i started charging my phone when it was 4%, and when i looked at it about 20 minutes later it was only at 16%. I think it took about 3 hours to fully charge. The only modification I've made to the phone is unlock the Verizon bootloader and flash the P software (which was subsequently updated to V). I'm seriously wondering if the charger or cable is defective.
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Potentially, mine was and I had to get the whole thing replaced

Quick Charging Power Adapater

Since the 17th every night when I charge the phone it makes a very low humming noise and its at its louldest when the between is low. at 25% if become a little better and after 40-50% its not so noticable however I just wanted to check if this is normal as i am getting mixed views from Razer Support.
Is it normal for the charging block to make this humming noise?

I've got the same issue. I have posted all the details on my other post check it out. I think razer have flopped with these wall chargers and/or usb c cable. Its not quick charging although it states rapid charging and having gone through two wall chargers already, first one was quiet and this new one i have has that humming noise your on about.

I've got 2 phones, neither charger hums, 0-50% in about 30-40 mins, 50-90% in about 40 mins, 90-100% 30 mins. 0-100 takes about an hour and 50 mins. (well, it was at 4% to start)

That's fine I'm glad it wasn't just me being that fussy guy I've read online it's not much to worry about as I had a coiling graphics card which made the same sort of hum but eventually that went away or I got 1-2 months older and my hearing couldn't pick it up anymore.
Razer have now said they will send me a replacement charger out to test and will give me a self address package to return the charger - so let me keep the one that works better.
Shipping from HK they still want it back to make sure I'm not claiming a free charger from them.

I finally got the replacement charger from them which did fix the problem i was having with the noise coming from the charger block.

I also received the replacement charger, seems to fix the noise issue. However I am yet to understand the Quick Charge on this phone. It says charging rapidly but it definitely does not charge rapidly. Charging at 1900mA throughout is not quick charge technology.

alexaraz14 said:
I also received the replacement charger, seems to fix the noise issue. However I am yet to understand the Quick Charge on this phone. It says charging rapidly but it definitely does not charge rapidly. Charging at 1900mA throughout is not quick charge technology.
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How long does it take to charge?

kungpaoshizi said:
How long does it take to charge?
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My original post has the details.
https://forum.xda-developers.com/razer-phone/help/phone-quick-charging-t3709607
Got some more info here:
https://forum.xda-developers.com/razer-phone/help/audio-volume-reduction-fix-usb-c-cable-t3721761

apart from the noise issue i had with the original charger the charging time itself im failry happy with along with the all day battery life even with a little gaming and netflix/youtube streaming.

Odd. I plugged my phone in at 15% when I got the warning, and I am looking at it now and its fully charged. I want to say it wasn't even a full hour but... I confess I didn't look at the clock.

Wireless charging stops at 100% and wont restart

HI can anyone tell me if there is any way to resolve this. I think is has started since doing the upgrade to Android 10 earlier this week.
I normally put my phone onto the wireless charger before going to bed and I have noticed recently that when I grab it in the morning the battery percentage is sitting around the 90% mark. I initially thought the charger was not able to charge to 100% but on further examination I see that it indeed charged to 100% after I placed it on the charger and then the charging stopped and the phone ran on battery until I removed it in the morning.
I confirmed this this morning by replacing it on the charger and watching it charge (like watching paint dry ). The charger light was blue while charging, when the phone hit 100% the charger light turned to green but after about 30s it completely switched off and so too did the indication on the lock screen that a charger is connected. Removing and reseating the phone started charging again.
It definitely looks to be software related as I did not have this problem last week. I just wanted to ask if anyone here has noticed this and knows of any workaround?
For the record I am running fast wireless charging with the samsung wireless charger that came with my wifes S8, that charger works perfectly with my older Note8. I have also tried switching to normal wireless charging speed with no success.

atunguyd said:
HI can anyone tell me if there is any way to resolve this. I think is has started since doing the upgrade to Android 10 earlier this week.
I normally put my phone onto the wireless charger before going to bed and I have noticed recently that when I grab it in the morning the battery percentage is sitting around the 90% mark. I initially thought the charger was not able to charge to 100% but on further examination I see that it indeed charged to 100% after I placed it on the charger and then the charging stopped and the phone ran on battery until I removed it in the morning.
I confirmed this this morning by replacing it on the charger and watching it charge (like watching paint dry ). The charger light was blue while charging, when the phone hit 100% the charger light turned to green but after about 30s it completely switched off and so too did the indication on the lock screen that a charger is connected. Removing and reseating the phone started charging again.
It definitely looks to be software related as I did not have this problem last week. I just wanted to ask if anyone here has noticed this and knows of any workaround?
For the record I am running fast wireless charging with the samsung wireless charger that came with my wifes S8, that charger works perfectly with my older Note8. I have also tried switching to normal wireless charging speed with no success.
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Unplug the charger from its power source and plug it in again, causing it to 'reboot'. Let us know the results. Note, there is an option to set the wireless charging to NOT be fast during certain hours of the day. I set mine so it charges slowly while I am sleeping - to put less stress on the battery. Your charger may be a little old as well if you got it with a note 8 or S8 - ?
Sent from my SM-N976V using Tapatalk

IMO this is a good feature to stop the wireless charger cooking your battery.
Maybe turn down your AOD brightness or something, to use 10% within a couple of hours of being idle is pretty high. Maybe turning off fast wireless charging would extend the charge time so it finishes nearer to when you wake up could help too.

Thanks for the feedback however it does sound like workarounds for an issue that should not be present (apart from rebooting the charger which I will try when I get home).
For me wireless charging should act just like wired charging in that when it reaches 100% the phone should essentially run off the charger now and not use battery at all. Every other phone with wireless charging that I have had worked that way, this is just plain stupid.
Willhemmens its not a couple hours, looking at the battery graph if I go to bed at 10pm and put the phone on the charger it pretty much hits 100% around 11:30 and then is at 90% at 7am, so it is 10% over 7 hours which is ok in my books, but reality is that during this time the phone has another source of power that it can and should use. It did before I applied the Android 10 update.

I have had this issue every now and again, and I found that rebooting it takes care of the issue.

An update. This morning I tried my wife's wireless charger and when the phone reaches 100% it continues to show the charge icon. Put my wife's note 8 into the wireless charger and it exhibited my problem.
So it looks like this is a problem with the wireless charger and not the phone.
Thanks for the answers guys I am of to try buy a new wireless charger
edit - New charger solved the problem.