Develop Bugs

Charging speed

To power up, you consume Red Bull. But your phone just needs its adaptive fast charger. Rate this thread to express how quickly the ZTE Axon 7 can charge. A higher rating indicates that it charges extremely fast.
Then, drop a comment if you have anything to add!

On Quick Charge, it's fast. On a older computer, it's painfully slow. In my car, on a standard charger, it's not too bad. I just bought a QC 3.0 charger for my car and it'll charge about 30% in my 35 minute drive home (have to test that some more).

tele_jas said:
On Quick Charge, it's fast. On a older computer, it's painfully slow. In my car, on a standard charger, it's not too bad. I just bought a QC 3.0 charger for my car and it'll charge about 30% in my 35 minute drive home (have to test that some more).
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Click to collapse
I would double check the charger port and make sure your plugging into the QC 3.0 port, and not the 2.0A port (not sure if yours has one as well or not) my Axon 7 charges about 45-50% in my 25 minutes ride home so It doesnt sound like its charging quite as fast, unless its QC2.0

musicdjm said:
I would double check the charger port and make sure your plugging into the QC 3.0 port, and not the 2.0A port (not sure if yours has one as well or not) my Axon 7 charges about 45-50% in my 25 minutes ride home so It doesnt sound like its charging quite as fast, unless its QC2.0
Click to expand...
Click to collapse
Which car charger you have?
Στάλθηκε από το HUAWEI M2-A01W μου χρησιμοποιώντας Tapatalk

Have tried to push the battery as hard as I can while charging at the same time. The phone won't stall or drop charge thankfully. Gets a little hot but nothing like other phones I've owned (Nexus 6P would boil, OnePlus one would slowly drop battery until it died, iPhone 5s would get too hot to touch, HTC M7 would also become too hot to touch and unresponsive). If you're wondering if you can use this phone with GPS, Bluetooth, Wifi Hotspot, Data, Spotify while charging at the same time you can.

B27 A2017U, From 37% to 95% in 45 minutes. 5 minutes of screen and one 5 min call during charging. I won't use fast charge often because I don't need it, battery health is more important to me.

Charging speed is very fast. Battery life is great. I usually have ~20% left after running it from about 6AM to 11PM. I did misconnect the charger dongle one night, and so was at 11% starting the day. I switched to ultra power saving mode and was at 10% at the end of the day!?!

Charging speeds tbh are fairly decent. On QC 3.0 i get about 95% in about 1 hour. Nothing compared to Dash charge on the OP3, that method is insanely fast. To compare OP3's 3000 mah takes about 40~45 minutes to top off. Considering the additional 250maH on the Axon, i think the 1 hour approx charging time is good. I suppose once you get the taste of Dash charging, QC becomes less palatable
P.S. Axon's power saving mechanisms are actually quite good. No need for any 3rd party apps. I don't miss Greenify considering the background apps get killed when the screen goes off. So battery life being decent is a good trade off.

I've been impressed by the charging speed. It's close to the Moto X Pure that I loved.

I've personally never had a phone that had any type of quick charge until this phone, so I'm certainly impressed.

Hello
Question: is QC3 a killer of battery? Is charging at low amp better, or...? Cuz I read here and there that it's still better to use a slow speed charging device so that the battery doesn't heat up and doesn't wear off too fast.
What are your thoughts about that?

LeKeiser said:
Hello
Question: is QC3 a killer of battery? Is charging at low amp better, or...? Cuz I read here and there that it's still better to use a slow speed charging device so that the battery doesn't heat up and doesn't wear off too fast.
What are your thoughts about that?
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Click to collapse
If you charge it before you sleep, I would use a charger with a lower am so it can prolong the battery's life. Using quick charge 3.0 is convenient, but it will certainly decrease the battery's life over a period of time.
Before bed: Not recommended to use another adapter to charge any phone that didn't come with it, but I would use a different adapter with a slower charging rate and voltage.
When you're about to go out or etc: Quick charge 3.0
Sent from my ZTE A2017U using XDA-Developers mobile app

I use the Aukey charger. I have 2 portable QC3 and one "traditional" QC3 also. And I forgot which brand but a good one as a slow speed charger.
I thought that QC3 was different than the "old" high speed charger because it had something to do directly with the SnapDragon. The "old" high speed chargers are just sending more amps like 2A or more, while QC3 is more "controlled" so it didn't affect the battery. Am I totally wrong?

Has anyone noticed their charging time increase by 10-20 minutes or so? Could be my imagination as I also have an op3 now..

MrWilsonxD said:
Has anyone noticed their charging time increase by 10-20 minutes or so? Could be my imagination as I also have an op3 now..
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Probably your imagination. Dash charge is much faster that QC. If your phone's charging up in an hour it's fine.

bonk3rzzz said:
Probably your imagination. Dash charge is much faster that QC. If your phone's charging up in an hour it's fine.
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even faster than QC3.0?

LeKeiser said:
even faster than QC3.0?
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Oh yes absolutely. I came from an OP3 to Axon. It's the only thing I miss about the OnePlus 3. And the ROM. And the front finger print scanner. And updates.
On a more serious note, Dash charge is really fantastic. As advertised. 3000 mAh takes 40 to 45 mins, but the most important feature is that it doesn't heat the phone up and using the OP3 while charging is a better experience.

Nice
I think QC3 is already pretty fast, so... Charging low speed when I'm not in a rush, following some (your?) advices here.
I had ordered a 1+3 and canceled when I saw the Axon7, but I had also a Dash Charger on the way and couldn't cancel that one. Too bad they're two different technologies
The 1+3T is... nice

LeKeiser said:
Nice
I think QC3 is already pretty fast, so... Charging low speed when I'm not in a rush, following some (your?) advices here.
I had ordered a 1+3 and canceled when I saw the Axon7, but I had also a Dash Charger on the way and couldn't cancel that one. Too bad they're two different technologies
The 1+3T is... nice
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Click to collapse
Yeah i absolutely hate the existence of the op3t cause it has everything that op3 didn't. And yeah don't use the dash charger with anything else unless you like watching things getting smoked up.

LeKeiser said:
Hello
Question: is QC3 a killer of battery? Is charging at low amp better, or...? Cuz I read here and there that it's still better to use a slow speed charging device so that the battery doesn't heat up and doesn't wear off too fast.
What are your thoughts about that?
Click to expand...
Click to collapse
I don't trust it to keep the battery in good condition over a long time. So I use a normal charger instead.

Heating during charging

Hi. I am using the bundled moto turbo charger with my phone and have noticed that the phone sides and back get hot mid-charge when charging and cools down when the battery is about 80% full. Is this a problem with my phone/charger or does it happen with you guys also.

Its cause of the Turbo charger

That's absolutely normal. Don't worry.

Yup happens to mine too. Heats up quite a bit and then cools down after a while

Clean your charging jack once with hot gun with paste.
Sent from my E10i using XDA Free mobile app

No need to be worried then as its common for everyone. Thanks.

It's completely normal, phones from ~2-3 years ago (before quick charging) didnt have this problem because they didnt have to dissipate the heat generated by forcing 15 (moto Z) to 25 (moto X) watts into the phone. Phones pre-quick charging only took in ~5-10 watts which is much easier for a phone to handle, although its also much slower. If you dont need to quick charge I would recommend using a normal power brick which will charge it slower, but also generate less heat. Some people think the heat can cause the battery to lose capacity quicker, while manufacturers say it doesnt. Honestly I dont know which is true so I cant say. I personally so far have charged over night on usb (~2.5 watts) and its done charging my phone and my moto mod by morning from <30% to 100%.

me_ankit said:
Hi. I am using the bundled moto turbo charger with my phone and have noticed that the phone sides and back get hot mid-charge when charging and cools down when the battery is about 80% full. Is this a problem with my phone/charger or does it happen with you guys also.
Click to expand...
Click to collapse
No need to worry, that's completely normal. The phone turbo charges until it hits the 80% mark, then the turbo stops and until 100% it charges normally, like any other phone, so it doesn't get hot. During the turbo charge it's normal that the phone heats, as it uses more power to charge faster, and from 80 to 100%, it begins to cool down, because it uses less power to complete the charge.

Normal

compared with x style
z play is nothing:laugh:

A potential work around
I realized that if you remove the back cover (style mod) while charging and keep the phone a little raised from the surface the extreme heat is not experienced.
You could try and confirm.

Inconsistent Charge Rates using a variety of different cables and chargers.

I've had my Nexus 5x for a couple months now, I bought it through amazon refurbished. (My girlfriend has the same device, she bought hers brand new. Her's is the international model though) Here's a listing of the charging cables, and chargers that I have:
Anker Quick Charge 3.0 and USB Type-C 24W USB Wall Charger http://amzn.to/2mitz3n
Anker A to C 6ft cable http://amzn.to/2lbw2HW
Anker 24W Dual Port Charger http://amzn.to/2mx16Tt
(I bought the a to c cable to be able to connect to pcs or whatever, and the charger i had for my Nexus 5 and other micro usb devices.
Standard Google Charger https://store.google.com/product/usb_type_c_18w_power_adapter
Obviously the middle item there doesn't charge at full speed, it isn't intended to. But my charge rate using any of those devices is still over all over the place within each of those items specifications. So it isn't likely that is a cable or charger issue which is normally the issue when someone has charging rate problems. yes i know the charging rate slows down as it reaches higher percentages to prevent over charging and other types of battery damage.
My phone can be down to 20% battery when I plug it in and it could start charging at 110mA or 2000mA+. Whatever rate it is though, it isn't going to stay that way for very long. If it starts low, then it might work its way up into the 700-900s slowly or to around 1000mA. If it starts up high 2000mA it'll likely start working its way down slowly into the 1000-1800mA range.
Sure charging at slower rates helps the battery to last longer, but when i have no control over this, and at times it discharges faster than it is even charging it is bad. I can actually deplete battery sometimes, if its charging while video chatting. Albeit very very very slowly, but still. The battery life and range seems to be very good aside from this charging issue. The connection port on the phone seems really quite solid as well and wiggling the cord doesn't seem to affect the charge rate as best as I can tell.
My girlfriends 5x charges in about half the time that mine does, or sometimes its even worse, i just have to pay attention to what it is doing when i plug it in. So my question is, is this a battery problem or is there something else going on with the phone? What is it that throttles the charge rate down as the battery % gets higher? Is there a chance this could be faulty and causing it to be all over the place like this? Any ideas about this would be very helpful thanks in advance.
Ps: I really do love the device, it works great, I have no issues with it beyond the charging rates that can be all over the place. I can go from 10% battery to 75% sometimes in half an hour or so. Then i get times where it takes well over an hour for that much.
(I use ampere to measure the charge rates)

Charge rate goes down with higher battery temperatures. Let the device cool down a bit before plugging in, also keep the screen off to allow it to charge at full speed.
The charge will also slows down as it fills up, the last 10% will take the longest.

bblzd said:
Charge rate goes down with higher battery temperatures. Let the device cool down a bit before plugging in, also keep the screen off to allow it to charge at full speed.
The charge will also slows down as it fills up, the last 10% will take the longest.
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Click to collapse
I appreciate you taking the time to respond, since you are the only one thus far. But as I said I'm aware of the charging slowing down for those reasons, and I've got another device to compare to. It isn't the same, and the device isn't hot.

There is no problem with your battery. The phone is badly designed. Unfinished SoC combined with a small battery and a big screen. Your money is better spent on something else.

Sinistersky said:
There is no problem with your battery. The phone is badly designed. Unfinished SoC combined with a small battery and a big screen. Your money is better spent on something else.
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He's not talking about battery life. He's talking about charging times.
Personally, no issues with charging here. Always goes 15% to ~90% in 60 minutes with the stock charger.
Sent from my Nexus 5X using Tapatalk

EeZeEpEe said:
He's not talking about battery life. He's talking about charging times.
Personally, no issues with charging here. Always goes 15% to ~90% in 60 minutes with the stock charger.
Sent from my Nexus 5X using Tapatalk
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Click to collapse
"...So my question is, is this a battery problem or is there something else going on with the phone?"
Also, I have no problems charging it either.

Sinistersky said:
"...So my question is, is this a battery problem or is there something else going on with the phone?"
Also, I have no problems charging it either.
Click to expand...
Click to collapse
Yet you talked about unfinished SoC and small battery. ? If anything, small battery would be charging faster.
Sent from my Nexus 5X using Tapatalk

Sinistersky said:
"...So my question is, is this a battery problem or is there something else going on with the phone?"
Also, I have no problems charging it either.
Click to expand...
Click to collapse
I don't have any issues with my battery discharge rate. For what it is, and what I use if for I'm happy with it. And from what I've read about the usages from others I think I have no issues there compared to others. I'm just referring to the charging rates, the way it charges

EeZeEpEe said:
Yet you talked about unfinished SoC and small battery. ? If anything, small battery would be charging faster.
Sent from my Nexus 5X using Tapatalk
Click to expand...
Click to collapse
But due to an unfinished and rushed SoC, it doesn't charge faster. The charge rate of this device is limited to 40% of it's intended charge rate.

Sinistersky said:
Your money is better spent on something else.
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Click to collapse
Fairly pointless comment considering I've got one already, it isn't me asking if I should buy one. Point taken though that you aren't happy with the device

ideaman924 said:
He says he already owns the device. No point in telling him how poor his purchase decision was. And it wasn't that poor of a decision considering how good it is. It stands up fairly well to my abuse and the small screen is OK to grip.
OK, a serious question:
1. Charging speed is affected by Charger (the thing that plugs into the wall), the Cable (how long or thick it is), and the Battery (how hot, how full it is). This is the basic, moving on.
2. Sometimes the C port is buggy and doesn't correctly detect the maximum amount that a cable+charger combo supports. Download Ampere or some other current measuring tool like GSam (although I never bother with GSam, Ampere is awesome), and make sure the max amperage is 3000 mAh. Anything lower than that means you have a low-powered charger, a less-than-optimal cable, or a hot or near-full battery. I recommend plugging it in at around 50% to make sure the near-full charge speed drop doesn't affect anything during your tests.
3. If that doesn't work, replace the battery. Final line advice.
Click to expand...
Click to collapse
He's already using Ampere to measure and has 3 chargers to compare with.
Sent from my Nexus 5X using Tapatalk

Heat While Charging With Pixel Stand?

I'm considering purchasing the Pixel Stand, but before I do I would like to get feedback from current owners about how warm the phone gets while charging with it. If it does get warm, is it possible to limit charging speed to reduce heat? I don't care about charging my phone quickly since I only charge it at night.

i would say the back of the phone gets warm but i wouldnt say hot.. i had same concen initially

Mine doesn't get warm at all I do use a case though idk if that makes a difference. But when I pick it up it's always room temp.

It is noticeably warm to the touch after wireless charging but not much different than when taking a long video or playing a game for a long time.
As for limiting speed, using a wireless charger that isn't the Pixel Stand will limit it to ~500mAh as the fast wireless charging is proprietary and exclusive (for now) to the Pixel Stand.

Overheating while charging on Wireless charger

Hi, I have Samsung Galaxy S20+ G985F/DS (Exynos). Few weeks ago I get a new company car, which has wireless Smartlink+ for android auto and apple car play. I was used to use cable, but few days ago I decided to bought wireless charger (Baseus Cobble 15W) to my car. Since then I have problem with overheating my phone when I am using wireless android auto and wirelessly charging it. I am using Spotify and Waze together and at same time I am charging it with wireless charger, but after few minutes (usually 5-10 minutes) it disconnets with error that my phone is too hot and it will continue charging after it will be colder. When I try to take a phone its damn hot. Is this normal behaviour or my phone is broken?

Running the battery hot will cause premature aging fast; stop doing it.
Software may be using a lot of cpu cycles; wayward apk(s).
Correct this if so.
It's not a good idea to charge and use the phone.
Get a fast charger for the car; you get about 2% per minute with a 25 watt one in fast charging mode between 40-65%.
A 25% charge should last 2 hours.
Li's love frequent partial midrange charge cycles and will get hundreds to thousands more full charge cycles when used like this. Partial fast charging does no harm as long as you keep the temp in the 80-99F range.
Try to avoid charging when under 80F and especially if near or below freezing temperatures.
Been using my 10+ like that for over a year, the battery is in very good condition to spite near all day use.

blackhawk said:
Running the battery hot will cause premature aging fast; stop doing it.
Software may be using a lot of cpu cycles; wayward apk(s).
Correct this if so.
It's not a good idea to charge and use the phone.
Get a fast charger for the car; you get about 2% per minute with a 25 watt one in fast charging mode between 40-65%.
A 25% charge should last 2 hours.
Li's love frequent partial midrange charge cycles and will get hundreds to thousands more full charge cycles when used like this. Partial fast charging does no harm as long as you keep the temp in the 80-99F range.
Try to avoid charging when under 80F and especially if near or below freezing temperatures.
Been using my 10+ like that for over a year, the battery is in very good condition to spite near all day use.
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Click to collapse
Well thank you for your answer, but I don't understand you well. Your post is very confusing. But from what I understand, you simply tell me, that I must buy normal wire charger and I must stop using wireless charger because using it is not good? But that is not answer that i want. Because I don't want to plug cable to phone, because when I have wireless android auto in my car, its useless. For example my colleague have car with built in wireless charger. And from what you told me, he can't use this built in charger because its bad?

You have two issues.
App(s) that are using excessive battery.
Charging while using.
Both are best avoided and both drive up the temperature.
Of course you can do what you want but battery longevity may take a hit in doing so.
Karma Firewall is useful for finding unnecessary bandwidth hogs and some of the battery hogs. Start with that.

All wireless chargers make phone hot. Even if you use it at home and no aps are open.

olafsand said:
All wireless chargers make phone hot. Even if you use it at home and no aps are open.
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Excellent point.
A damp rag can be used to reduce the temp.
Unless the charge port is broken wireless charging just doesn't seem like a good modility.
Even at high frequency and optimum primary/secondary winding gapping air core transformers are notoriously inefficient.
These batteries are power hungry critters...

Man, I know what you all are saying but imagine covering your phone with a damp rag when changing, imma die of laughter if I see that anywhere. I know it's gonna work but it's going to be funny af
Mine did the same thing, it was 5 days old when I saw it the first time. If you insist using your phone and charging it wirelessly disable the fast wireless charging option from the settings and you are going to be good to go, but don't expect the phone to charge that much, maybe 2% in 5min, something like that probably. It will not overheat, tested it myself. Be careful, if it continues to overheat even with fast wireless charging option disabled stop using the charger when using your phone. I have a suspicion I burned my coil like that, it only took 5 or so times where my phone said that it can't continue charging because too hot. I hope that wasn't the case.