Develop Bugs

Battery life comparison between to like phones

hi
i have 2 sony ericsson xperia x8
both with CM 7
dxgingerbread v13 by doixanh
i use one as a house phone and the other goes in my pocket as a second phone as i just changed numbers and my first phone is samsung galaxy s2.
so these two phones came with the new plan for my wifes company both about 2.5 month out of the box with close serial numbers.
both are configured to as listed
performance: ondemand
wifi off
data connection off
i have studied the phones since i got them
so heres some data for you
result in home pocket
min battery life 3 days 1 day
max battery life over 5 days 2 days
i found the difference between the two odd as both were not touched or used but i found the difference to be that when i walk the home button gets pressed and turns the unlock screen on briefly not even enough to register on the graph.
but if it is placed badly in my pocket the battery goes really quickly a big drop off on the graph.
the first time i ran the test on the stay at home phone got 6 days out of it not bad at all the next time it got 2.5 days i was shocked the only thing i had done was sync the calender and contacts between the phone and the computer while on charge.
so why the difference.
well it was adversely affected by being woken up. and i have to say i only looked at the battery one a day in the morning it was not me.
so what was waking it up for long period. it was the notification bar.
first of all it was the calender reminders. after disabling all was tranquil again.
then there was one missed call that i didn't see for two day this had the the phone waking up all the time and by checking the time of call to the graph you can easily see the relation.
so i tried it again charged the called it and left it without interaction 2 day flat battery i could not turn it back on. then charged it and left without being called 5 day interesting. note there is that little light that flashes on the front.
next thing was i got a sms from the network same thing kills the battery.
so then i started checking it as often as possible and clearing any notifications.
if you clear it straight away battery life stays the max if you leave ny notification a couple of hours the battery is discharging at an alarming rate.
so what really kills the battery of the X8.
i concluded 2 things the home button being pressed in the pocket and notifications that are left uncleared.
i have to say this also affects my samsung galaxy s2 for thehome button and the notifications if sync is turned of and the 3g is left on i can get 2 days with little use of the internet for emails ect. let it do as it likes and not cancel the notification can be 13 to flat.
hope this helps someone else.
thanks andrew

I think it's not because the notification but the LED itself uses a lot energy (phone must be in awaken mode to flash the LED light). So, I think if you disable the LED, it will be much more better.

Led can be a fuel burner, especially this one we have on our phone, with the option of colour change. The basic principle of changing the color is to change the voltage that goes in to the LED. And even the display, when it is lit up, it consumes lot's of energy, especially if you are on Max brightness.

I did the same test with the led turn off with the only notification in the status bar and the battery is affected in the same way. could some else try this to confirm the results.
it is the way the operating system handles the messages. here are pictures of best 7 days and worst cases.
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but the home button is a real battery drain when the phone is in my pocket it is always turning the screen on when i walk. ive got to say the button on the iphone is a lot better designed.
ivanjkd said:
Led can be a fuel burner, especially this one we have on our phone, with the option of colour change. The basic principle of changing the color is to change the voltage that goes in to the LED. And even the display, when it is lit up, it consumes lot's of energy, especially if you are on Max brightness.
Click to expand...
Click to collapse

=) neccecary text

well i think there is a lot o variables just one single little thing like que led indicator can drain your battery, even the times of charge of the baterry o the temp of the batery it's always aproximately
but for mi if th baterry can reach 2 and half day i'ms satisfied XD

So what,my battery can last for years,if I'm not using the phone...
Sent from my XPERIA X8 using XDA Premium App

My battery takes about Min 18h and max 30h with Stock Rom.
With MiniCM6 and FroyoBread it's more or less the same.
With GingerDX and KuyaDROID i have about 16h hours min and 24h max.
If i don't touch my phone the stock rom gives me years of battery, even with any LED notification it stands for some days.

well obviously if you don't touch your phne the battery last a lot...
but now i have a diferent question with the stock to fully charge (0% to 100%) it takes me about 2 hours but with all the roms it charges in 45~55 mins and the battery life lasts the same time about 2~3 days its normal ?

I got from 25% to 5% in 1d 3h (gingerdx) I HAVE THE SOLUTUON TO FIX GINGERDX!

Spevky said:
I got from 25% to 5% in 1d 3h (gingerdx) I HAVE THE SOLUTUON TO FIX GINGERDX!
Click to expand...
Click to collapse
Well..... Post your sulution! If you have one, of course

ivanjkd said:
Led can be a fuel burner, especially this one we have on our phone, with the option of colour change. The basic principle of changing the color is to change the voltage that goes in to the LED. And even the display, when it is lit up, it consumes lot's of energy, especially if you are on Max brightness.
Click to expand...
Click to collapse
Nonesense.. The x8 notification leds waste almost no power at all.. 2 AA batteries would last for weeks if you connected them to the leds and months if they were blinking like they do on the x8.
The ilumination of the lcd in the other hand drains the batt very fast
Sent from my E15i using XDA App

velnens123 said:
Well..... Post your sulution! If you have one, of course
Click to expand...
Click to collapse
how did you solve this sir ? kindly post it..

leingod0923 said:
how did you solve this sir ? kindly post it..
Click to expand...
Click to collapse
Did I said that I solved battery dran? Noooo..... I'm asking him!

Spevky said:
I got from 25% to 5% in 1d 3h (gingerdx) I HAVE THE SOLUTUON TO FIX GINGERDX!
Click to expand...
Click to collapse
¡Entonces compártela!
Then share it!

100%-4% with oc710, swap, skype and one more communicator in background, wifi on... ~max 12h
100%-4% without oc, swap, background apps, sync off, wifi off, 2g only mode... almost 3 days...

2 weeks when phone is turned of...
cmon! Or you use phone or not!
I have charger aside of my bed and plugging phone every night to NOT be caught somewhere with dead battery...

I posted a thread for the solution! And everyone ignored it !

install set cpu, then enable sleep profile. battery drain problem solved!
only works when your phone is screen off. i got almost 1-2% battery drain for 8 hour. u can try it.
EDIT : CPUmaster actually.

I installed Set CPU but it doesn't show a sleep profile. Im running the 2.0.2 version of it. Is there another profile that works for saving battery energy?

A big problem with my battery

I restored the google stock image 4.1.1, I've done a Factory reset, I've closed the bootloader, I left it to discharge completely and I make a fully charged with the movile switched off, but my battery does not charge to 100%, only to 63% leaving it charging all night, I tried to charge it switched on, sometimes switched off and nothing, never charges 100%.
It all started a month ago charging only to 98%, but I thought it would be caused by changing the kernel or the ROM but a month later it has degenerated to 63%. The first 3 times I charged the mobile when it was new, it was switched off and I only got to 98%, but the fourth time I charged it switched on it reached 100% and it has been working properly 5 months so far.
I have always use the original charger and the original cable, and I usually leave charging all the night (6-7 hours) but the other day I have tried with a cable and a charger of xperia arc S, but it not solved the problem, so I guess that is a battery problem or a phone problem.
I don't want to carry to the SAT, because I hear that they doesn't work well, and I don't know how long I'll stay without my mobile.
I attached a screen capture, can someone help me please?
As you can see in the battery stats, the first charge begins with 100% because I charged the phone switched off and after 6 hours of charging, remove the battery for 2 minutes and put it again to charge another hour and then appears 100%, but if I leave the battery inside the phone to discharge and to charge, you can see the result on the Screenshots
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https://dl.dropbox.com/u/19157944/Sc...6-09-19-21.png
https://dl.dropbox.com/u/19157944/Sc...6-09-19-29.png

Your battery or the phone is done.
Sent from my Stock AOSP Android 4.1.1 Galaxy Nexus

Have you tried resetting the battery with clockworkmod?

Charge it fully ( in your case to 63%) then boot into clockworkmod recovery and clear the battery stats. Hope this helps
Sent from my Galaxy Nexus using Tapatalk 2

All wiping stats does is clear the stats from the battery usage chart. Nothing more. Like stated before, it's probably a battery issue. You could try another one and see if the problem persists.

Wiping battery stats will fix it at battery stats are pretty much only used for determining battery percentage
Sent from my Galaxy Nexus using xda premium

Wiping batt stat won't do any good. I'd say try new battery
Sent from my Galaxy Nexus using xda premium

If your still getting normal battery life with the 60% as if it was full then it is battery stats
Sent from my Galaxy Nexus using xda premium

Mine got stuck @86% for 8 hours for some reason. A reboot fixed it. Although OPs issue seems a bit more severe. I've seen it before on another site.

Today I tried with another battery and my phone is doing the same thing: does not charge completely, and my battery in another galaxy nexus phone is charging to 100%, I tested with another cable and usb, and I have the same result.
So it's a problem of my phone, which gives me a bad feeling is that when I put the new battery in my phone it show me 4%, then I take out the battery for two minutes, and put it back and it marked 53%
Today I have gone to the SAT, they told me that the micro-usb connectors are giving many problems and they will change me the connector the nex week.
Deleting batterystat from CWM It still doing the same, even I probe with three different calibration programs, and nothing solve the issue.

hossengor said:
Today I tried with another battery and my phone is doing the same thing: does not charge completely, and my battery in another galaxy nexus phone is charging to 100%, I tested with another cable and usb, and I have the same result.
So it's a problem of my phone, which gives me a bad feeling is that when I put the new battery in my phone it show me 4%, then I take out the battery for two minutes, and put it back and it marked 53%
Today I have gone to the SAT, they told me that the micro-usb connectors are giving many problems and they will change me the connector the nex week.
Deleting batterystat from CWM It still doing the same, even I probe with three different calibration programs, and nothing solve the issue.
Click to expand...
Click to collapse
you need to actually physically meter the battery to see what voltage it is at. it is really sounding like your charging IC is not correctly reading the voltage.
have you tried cleaning the battery contacts with rubbing alcohol, oil or dirt can cause an impedance which will change battery readings

This is almost the exact problem I have (I say almost just to be cautious). My battery will only charge to somewhere between 51% and 65% most nights. Then it dies in about 5 hours, though that may be an unrelated problem. I reverted back to stock ROM, checked different batteries, let it die and then charge over night, pulled the battery and SIM card to let it sit over night, held the power button for 30 seconds with the battery out (cause maybe magic), haven't gotten it blessed with holy water yet.
Where you able to fix the problem on your own or did you have to return the phone?

Spend some money, but an external battery charger, (i got one for 7$) and extra OEM or slim fit battery, then charge your battery with the battery charger, I'm assuming your microUSB is the problem. I never charge my phone via USB any more dice I've gotten a spare battery, it really preserves the life of your micro USB as well as your sanity dealing with battery life
Sent from my Galaxy Nexus using Tapatalk 2
---------- Post added at 08:03 PM ---------- Previous post was at 08:02 PM ----------
Spend some money, but an external battery charger, (i got one for 7$) and extra OEM or slim fit battery, then charge your battery with the battery charger, I'm assuming your microUSB is the problem. I never charge my phone via USB any more since I've gotten a spare battery, it really preserves the life of your micro USB as well as your sanity dealing with battery life
Sent from my Galaxy Nexus using Tapatalk 2

I did try that. Bought some extra batteries as well. The phone won't except them after the charger indicates they are charged. I compared voltages between the OEM battery and the spares I bought and there was only a difference of .01 volts, mean being 4.16 volts. I wasn't able to test the amps the batteries supplied, not sure how I could trick the internal circuits and not damage them. The interesting thing was that after doing this the phone thought the OEM battery was completely dead, even though it indicated it had 60% battery charge left when I turned it off.

[Q] Another Battery Drain thread

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I am stock rooted
This battery drain is so pathetic, please help me out on this one guys.
I charged to 100%, then played games for like 50 minutes, Plants Vs zombies for around 32 minutes and Kingdom rush for the remaining.
Charge became 84% , not sure if this one is to be expected.
But the main issue was the drain during screen off, i went to sleep when the charge was 84% and the device was screen off for almost 8 hours,
I woke up and checked, now its 66% ???? . really around 18% drain during a 8 hour screen off window
This is so lame, i checked the battery usage, nothing seems out of the ordinary, yes WIFI was On the whole time, is that the reason..
Does the notifications cause battery drain?, i had received some mails and t-mobile my account crap had sent some notification and LED was glowing all along.
i moved from note 1 only because of the stupid drain during screen off, its annoying , i know we can switch off WIFI, data, restart the device and use some app to reduce the drain, but i thought the battery will be good out of the box with Note 3, this feels the same like my note, no difference, something is messed up.
Any help is appreciated sorry for my bad English.

that idle drain seems very excessive. I lose like maybe 1% overnight. have you managed your accounts and only sync the necessary things? that could be a big drain.

Yes thats very excessive , thats why i am losing it, i did check for syncing, apparently nothing was running overnight.
Could be because i have only one point in the network signal? , not sure, i did check on the Cell standby it said "Time withou signal 0%"
i never had 1% drain overnight , would be nice if i can find out a way to make it work for me as well.

Call me strange, but if i am going to be sleeping, I plug it in. When I wake up even with just a nap the phone is fully charged.

i do too.. but i want to check the battery drain during sleep, often when traveling, i wont even use the phone but it would have drained , that's why i am checking how bad the drain is and the ways to fix it.

not sure you need these setting enable or not, but try uncheck all in Location Services under Setting.

Maybe you should start with basics and see what have you changed, since this drain begin?
For example I was trouble shooting WiFi calling and followed one of suggestions to shut down WiFi power save in service menu. It didn't work (updating router FW did the trick) and I forgot about it, but then I realized my phone was discharging 20% overnight (yeah, I charge when come home from work, by the time I go sleep phone is fully charged) and this was way too much. To make long story short, once I put WiFi save mode back on, I get 3% discharge overnight as it should be. The problem with such high discharge rate was that the phone barely lasted a day of light use and if I forgot to charge it night before it would be dead before morning. It also kills battery to have it fully charged daily, battery will lasts much longer if the charge is light (80% to 100% for example.)

Yup, i think it was this Wifi power save option in the service menu, i had switched this off and forgotten about it. thanks for reminding me .
i will check tonight as well.
Bad thing about this setting is, its very hard to pinpoint if you had forgotten about changing this setting, it wont show up in any of the battery usage app.

Go into wifi, hit menu and go into advanced settings. Uncheck wifi always scanning.
Sent from my SM-N900T using XDA Premium 4 mobile app

Those 2 games kill battery like a mutha, even if you kill the screen. I always use androids built in task killer by holding home button for a few seconds and killing battery hogging apps like those. If i do decide to end up installing those again and playing them i can expect shorter battery life for sure. Ever since i stopped gaming on my phone less and just game on my 360,ps3 and now wii u(kids got 1 for xmas,mario 3d world is addicting lol) ive seen huge boost in battery life and light to normal battery consumption on common sense settings for our phones.
Sent from my SM-N900T using xda premium

Yeah idk I barely use my phone and still only get about 12 hours out of my phone. I think 4.3 just doesn't like our battery hopefully 4.4 is better.
iTzXAmAzED On Note3

Is this battery usage normal?

In 3 hours, mostly standing by, it drops to 87%
I have no idea why "Android System" gets 23%
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well, if you're not using the phone, with apps or whatever.. then something else has to take the place of the 'most used' application..
I hope this isn't the "omg android system is using all my battery" again that I seen all over the gs2 forums when it came out
attached is a screenshot of my battery usage, I been streaming music all day at work.. mostly wifi, screen on a generous amount of time.. browsing xda, internet.. even played around with autodesk sketchbook..

Just got the phone today, it's been ridiculous. I've recharged my phone from 20% to 95% twice today. Granted, I've been using it non-stop
Now at 65%. Just terrible!
Android System 38%
Screen 20% (time on only 2h 5m)
Android OS 11%
Facebook 8%
Cell standby 5%
I had a lot of sync crap turned on that wasn't on my note 3 (like auto sync photos to google cloud), as well as some other settings that I just turned off like AT&T Address Book, and several google sync services I have no need for. Hoping that fixes it, I'll know tomorrow!
Android System.. that is where it would be syncing photos, right? I'm thinking that must've been it.

Get a wakelock detector
Sent from my SAMSUNG-SM-N910A using XDA Free mobile app

I've noticed that is phone really really wants to have full gps on stand by at all times.
Can't wait to get that battery update. But when that happens maybe never

Jennygirl said:
Just got the phone today, it's been ridiculous. I've recharged my phone from 20% to 95% twice today. Granted, I've been using it non-stop
Now at 65%. Just terrible!
Android System 38%
Screen 20% (time on only 2h 5m)
Android OS 11%
Facebook 8%
Cell standby 5%
I had a lot of sync crap turned on that wasn't on my note 3 (like auto sync photos to google cloud), as well as some other settings that I just turned off like AT&T Address Book, and several google sync services I have no need for. Hoping that fixes it, I'll know tomorrow!
Android System.. that is where it would be syncing photos, right? I'm thinking that must've been it.
Click to expand...
Click to collapse
A background process is eating your battery. I have gotten over a full days use with 3 hours or more of screen time and still at 35%, that or you got a bad battery. This phones battery life is incredible

Since I just got my phone this morning, I will have to report my batter usage later.
However, the phone charges SUPER FAST!

I'll tell you when it doesn't charge fast, I plugged it into my S3 charger last night at 11% and it still wasn't at 100% when I woke up about 9 hours later. Yesterday I got 3 1/2 hours of screen time after starting at 70% when I actually got the phone around 5 pm. The phone was under HEAVY use (downloading updates on LTE, customizing, etc.) I'll be interested to see how it does today under mostly normal conditions.

Thermalwolf said:
A background process is eating your battery. I have gotten over a full days use with 3 hours or more of screen time and still at 35%, that or you got a bad battery. This phones battery life is incredible
Click to expand...
Click to collapse
Glad to hear you feel that way! Thank you for the glimmer of hope! I have a feeling you are very right, and that it could have also had a lot to do with the huge amount of downloading I was doing yesterday. Today should be a much more normal day of use. I'll check back in a bit.

My battery went from fully charged to 94% in a matter of minutes just using the Internet. I decreased the screen brightness and removed the sync from some apps. If I don't see an improvement before my 14 days is up this is going back.

I also realized power saving mode was not enabled. After enabling that and disabling all unnecessary sync services, I'm stoked.
Usage seems to be great now, too.
81% battery left so far today
1h30min screen on time
3h23min total
Screen 33%
Android Sys 21%
Android OS 13%
Stellar!

Jennygirl said:
I also realized power saving mode was not enabled. After enabling that and disabling all unnecessary sync services, I'm stoked.
Usage seems to be great now, too.
81% battery left so far today
1h30min screen on time
3h23min total
Screen 33%
Android Sys 21%
Android OS 13%
Stellar!
Click to expand...
Click to collapse
You shouldn't have to use power save to get good battery performance. You definitely have a bad battery

Really? It seems pretty good to me now.
Is there a wake lock detector you would be able to recommend? Looks like it needs root?

I let my battery completely drain where it cut off at 1% and let the battery charge fully. Powered it back up and made sure nothing was syncing that I didn't need and now the battery seems to be performing better then before.

My battery usage today
Was on web and Facebook most of the time, downloaded some new apps, and uploaded a video to vimeo

Battery is quite short of impressive, and my N3 charges much much faster.

1brainsurgeon said:
Battery is quite short of impressive, and my N3 charges much much faster.
Click to expand...
Click to collapse
Either you have fast charging turned off or something is wrong with your charger/battery. turned off my phone charged 0-100% in 79 mins.

Yeah, his phone is broken or misconfigured if it charges slower than a Note 3. I've owned both, and the note 4 charges WAY faster.
Sent from my SAMSUNG-SM-N910A

I agree it is very noticeably faster. N3 was decent already with the provided charger, but N4 charge blazes.
Kinda want to get that Qualcomm fast charge 2.0 car charger so I can charge from 12v sources. The standard usb 5v 500mA regulated charge is pitiful

I have to constantly kill Index Service. It's loading CPU up to 100%. There's a bug since at least Note II. If you have large PDF files or many files of any kind, it will never finish indexing. Some reports link it to 64GB cards, but mine does it even without the card.

Quick charge problem?

Guys, just quick question. Today morning I plug my phone to the original charger (phone was totally discharged (switched off)) and after boot it said me "Quick Charging, fully charged after 3 hours". Bloody hell, is it any type of joke? I thought that quick charging feature is about quick charging, isn't it? Next problem which I have last time (the day before yesterday probably) was that phone told me "fully charged after 1 hour and 20 minutes" but it took almost 2 hours. I use original nexus charger.
Has anyone the some experience with this type of "fast" charging?
Thanks in advance.

My phone charges slowly only when i use it plugged in to the wall...Make sure the slow charge is a software issue and not a hardware,try to calibrate the battery and if it doesn't work try to flash the stock google images (do a backup before flashing),finally,send as a screenshot of your battery stats while charging to see how bad your device charging rates are!...

cizi said:
Guys, just quick question. Today morning I plug my phone to the original charger (phone was totally discharged (switched off)) and after boot it said me "Quick Charging, fully charged after 3 hours". Bloody hell, is it any type of joke? I thought that quick charging feature is about quick charging, isn't it? Next problem which I have last time (the day before yesterday probably) was that phone told me "fully charged after 1 hour and 20 minutes" but it took almost 2 hours. I use original nexus charger.
Has anyone the some experience with this type of "fast" charging?
Thanks in advance.
Click to expand...
Click to collapse
If your screen is on or the battery is warm, it will charge much slower.
I suggest you leave the screen turned off and let it charge, and check back in 30minutes to see if the charge time has updated to reflect a faster charging rate.

Should charge perfectly fine if you have the screen off and don't use it. I regularly go 15% to 90% in 60 minutes.
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This test was with airplane mode on but does the same with it off.
Sent from my Nexus 5X using Tapatalk

My stats
So during charging I took these pics. The language is czech but I hope you will understand
images hosting

cizi said:
So during charging I took these pics. The language is czech but I hope you will understand
images hosting
Click to expand...
Click to collapse
It's cause you started at near 40%. All fast charging has basically three levels that tapers from fastest to slowest. Basically in simplest terms it's 0-40% full fast charging, 40-80% regular charging, 80-100% slowest. There's actual numbers with mAh readings for exact details but no need for that. It does this for temperature control. It's also why a lot of fast charging tech advertise 0-80% times. That last 20%, especially 90-100%, is way slower than any other part. So to get the most of fast charging it's actually best to use your phone down to a low reading like 15-20%. As you can see, you end up wasting time trying to charge like you did compared to my screenshots. Essentially you're able to use you phone longer and yet be plugged in for a short period.
Sent from my Nexus 5X using Tapatalk

EeZeEpEe said:
So to get the most of fast charging it's actually best to use your phone down to a low reading like 15-20%. As you can see, you end up wasting time trying to charge like you did compared to my screenshots. Essentially you're able to use you phone longer and yet be plugged in for a short period.
Click to expand...
Click to collapse
Mathematically that is correct, but for longer battery life expectancy (over time), they suggest you charge 50-90% even though it is less efficient in terms of amount of time spent charging.

So I tested charging for one hour starting at 40% and it actually did a little better than what you're getting. Went 40-93% in 60 minutes.
I still suggest starting around 15-20% though because as you can see, 60 minutes of uninterrupted charging gets you to 90% whether starting at 15% or 40%.
Sent from my Nexus 5X using Tapatalk

Guys, thanks for your effort. I will be trying to find the best way of charging. Even though energy efficient could by better in Google's Nexus I think. I have problem to stay charged 24 hour in a row. Maybe the reason is that I did just maybe 10 charging cycles and the battery is still to new and is still formatting, who knows.

cizi said:
Guys, thanks for your effort. I will be trying to find the best way of charging. Even though energy efficient could by better in Google's Nexus I think. I have problem to stay charged 24 hour in a row. Maybe the reason is that I did just maybe 10 charging cycles and the battery is still to new and is still formatting, who knows.
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Yeah if you check the battery life thread you'll see people getting various hours of battery usage. Personally, I'm always topping off when I get home from work for about 30 minutes or so (I always shower when I get home) and end with plugging in while sleeping.
Sent from my Nexus 5X using Tapatalk

cizi said:
Guys, just quick question. Today morning I plug my phone to the original charger (phone was totally discharged (switched off)) and after boot it said me "Quick Charging, fully charged after 3 hours". Bloody hell, is it any type of joke? I thought that quick charging feature is about quick charging, isn't it? Next problem which I have last time (the day before yesterday probably) was that phone told me "fully charged after 1 hour and 20 minutes" but it took almost 2 hours. I use original nexus charger.
Has anyone the some experience with this type of "fast" charging?
Thanks in advance.
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in my experience, everytime I had trouble with fast charging (Zenfone and Nexus 5x) was a matter of faulty cable. try to replace your old one. in most cases, processors are kinda super sensitive about the "health" of the cable and won't let the magic happen it's happening to me in these days with my QC2.0 car adapter.