Hello XDA,
As battery life is something people owning a Nexus 4 tend to struggle with in general, I've been wondering wether it affects my phone if I use my Nexus 7's (stock) charger for charging my Nexus 4. (As I would not want to receive a decreased battery life in the future due to using it) I've done a quick search on the forums and have found some threads, which in the end still contain a lot of controversy. Perhaps anyone with a good understanding of this can enlighten me?
Thanks in advance!
The N7 charger will not perform any differently than the N4 charger. Phone determines the load, and the current that it draws.
Well I am inclined to believe you, but why wouldn't LG choose to accompany the phone with a more powerful charger to begin with? As the stock charger from the N4, is rather... slow?
Hi I recently bought a Nexus 4 16GB from Google Play in the UK. It's been working fine but in the last few days when I connect my phone with the official charger (the one that came in the box) the touchscreen begins to act weird and buggy. More specifically it becomes less sensitive and doesn't function properly. I can scroll down on the app drawer with no problem but scrolling up is extremely slow- its like its scrolling through syrup, same on homescreen. Thinking this was an app or kernel problem I removed an app I thought was causing the issue and reverted kernel back to normal but the problem persists. I now think it may have something to do with the charger being faulty as I am now charging my Nexus 4 with the charger that came with my Nexus 7 and no problems with touchscreen responsiveness or interaction.
Has anyone else had issues with this? as I've seen people have trouble with non standard chargers but I'm using the official one.
Would Google be able to exchange just the charger and not the whole phone package? And is it okay to use my Nexus 7 charger for my Nexus 4?
randomvector said:
Hi I recently bought a Nexus 4 16GB from Google Play in the UK. It's been working fine but in the last few days when I connect my phone with the official charger (the one that came in the box) the touchscreen begins to act weird and buggy. More specifically it becomes less sensitive and doesn't function properly. I can scroll down on the app drawer with no problem but scrolling up is extremely slow- its like its scrolling through syrup, same on homescreen. Thinking this was an app or kernel problem I removed an app I thought was causing the issue and reverted kernel back to normal but the problem persists. I now think it may have something to do with the charger being faulty as I am now charging my Nexus 4 with the charger that came with my Nexus 7 and no problems with touchscreen responsiveness or interaction.
Has anyone else had issues with this? as I've seen people have trouble with non standard chargers but I'm using the official one.
Would Google be able to exchange just the charger and not the whole phone package? And is it okay to use my Nexus 7 charger for my Nexus 4?
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Click to collapse
Yes you can use the Nexus 7 charger. In fact, you can use any Micro usb charger cable to charge your phone. The phone will take in the amount of power it needs. It shouldn't be an issue.
Anyone know what could be causing the touch screen issues when charging. That's what confuses me the most. Could it have something to do with the charger heating up or being faulty?
Thanks for the tip about using my Nexus 7 charger instead.
Sent from my Nexus 4 using Tapatalk 2
I know that with some of my older phones, when charging from an inverter that did not stabilize it's output voltage, my touchscreen would do the described. Maybe the charger fluctuates in voltage slightly... This was on my old iPhone 3GS, I can't remember if my Atrix did it... It might not do that on the Nexus
lopezk38 said:
I know that with some of my older phones, when charging from an inverter that did not stabilize it's output voltage, my touchscreen would do the described. Maybe the charger fluctuates in voltage slightly... This was on my old iPhone 3GS, I can't remember if my Atrix did it... It might not do that on the Nexus
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I checked my outlet and tried on other outlets and the current going through is fine.
randomvector said:
I checked my outlet and tried on other outlets and the current going through is fine.
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Click to collapse
It would probably be something with the charger output then. Maybe it has to do with amperage output rather then voltage, I know that some people had issues with the stock charger outputing less amperage sometimes making the phone drop to USB mode. IMO the stock charger kinda sucks and its better to just buy another charger and keep the stock one for backup or something
I get slow charging with the original charger can anyone help me? Thanks
If the phone is off use gsam battery to determine What's using your battery as you charge
Sent from my VS980 4G using XDA Premium 4 mobile app
Would that help if I get the slow charging icon in notification bar?
Even just posting on here it's discharging not doing anything else
AFAIK, the G2's definition of "slow charging" is any time it isn't getting (close to) a full 2A from the charger. This doesn't mean the phone isn't charging, or that it's going to take an excessive amount of time to charge. Other chargers will work fine. The Snapdragon 800 CPU supports fast charging, but the opposite of that isn't necessarily "slow".
One thing to watch out for is temperature. If the phone/battery is warm, unplug it for a little while, and maybe even turn it off to let it cool down. If it's too warm, it won't charge very well. I found this out the hard way recently when I left it on the original charger overnight, and it still hadn't gotten to 80% by morning.
Right OK thanks but should this really happen with original charger?
original cable too?
Yes original everything
Mine doesn't show slow charging if I use the original cable. I tried another cable with original charger, and it shows slow charging.
It seems like the "slow charging" depends only on the original cable which comes with the G2. I have used another USB cable with the original G2 wall plug and I still receive the indication of slow charging.
Why would LG do that? I could understand that the wall plug has to deliver a certain ampere but it shouldn't depend on the cable... (only apple would do such thing )
dnargsiefil said:
It seems like the "slow charging" depends only on the original cable which comes with the G2. I have used another USB cable with the original G2 wall plug and I still receive the indication of slow charging.
Why would LG do that? I could understand that the wall plug has to deliver a certain ampere but it shouldn't depend on the cable... (only apple would do such thing )
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You have to remember that the 1.8 amp charger that comes with the phone would be considered a rapid charger for other phones. Which means the cable would have to be able to carry that amperage. The cables will always matter. If the cable is unable to carry the appropriate amount of electricity, a bigger, better cable is needed. It applies throughout electronics, not just to apple.
I've found a couple forums on this but no solutions. Can anyone confirm a working fast charge USB cable other than the stock LG 3' long one?
Here is the closest thread I found..
http://forum.xda-developers.com/showthread.php?t=2483462
How to know which chargers/cables are compatible?
I want to know this for my car charger
Sent from my LG-D802 using Tapatalk
Best buy sells 15watt rapid chargers for car and wall. . There like $30 each but they do a good job. Think the brand name is rocket fish. Just bought 2 a few weeks ago.
Sent from my LG-D801 using xda app-developers app
Thanks. But chargers are easy to find. What is difficult to find is a USB cable to work. You'll see in the thread I linked on the first post, lots of people are having challenges with finding USB cables to work even if a charger is well above 2 amps. Even using the stock LG charger, no USB cables seem to work except the one that came with the phone, to eliminate the "slow charge" icon and allow around 1500mA of current to be drawn from the charger like it should in a fast charge..
what cable are you using with your new charger? And do you get the slow charging icon?
I think it all boils down to the charging base... I have used the LG, various Htc and Samsung base units with all kinds of mini & micro USB cables without any issues... The base units are rated from 800mA~1.5 and have not had any slow charging issues... I've only experienced the slow charging when connected to the PC or some car chargers...
Sent from my LG-D801 using xda app-developers app
I bought this combination and fast charges great in my car.
http://www.amazon.com/gp/product/B009W34X5O/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1
http://www.amazon.com/gp/product/B0077PM3KG/ref=oh_details_o01_s01_i00?ie=UTF8&psc=1
I used to run a 1.5' usb cable from monoprice and the GPS on my phone would discharge the battery faster than it could be charged. Now the phone charges so much faster.
I have yet to have a problem with any of the generic monoprice cables and wall charges I bought a couple years ago. Only time I get a slow charge notification is using my 1a car charger. My Optimus G and HTC One X chargers and cable work fine as well.
IT IS NOT THE CHARGER!!
It is something in the cable. And good luck finding one. If you use the included USB cable that came with the G2, then it will charge on ANY charger "normally" (fast charge). If you use ANY OTHER cable, it will slow charge.
I don't know what is in the cable or why it makes a difference, but none of my USB cords/chargers work unless I use the INCLUDED USB CABLE.
I had a thread on this already somewhere in the General Area I think. It REALLY sucks because I have TONS of chargers and cables. I have some at work, home office, bedside, 2 in my car, friends cars, etc. I DO use Wireless Charging at night and luckily the phone has a huge battery to last through the day.
There IS a problem here but my thread got ignored like, "I don't see a problem here, just use the included cable". Well yea if I stayed home all the time. My work makes me travel for work so I have to make sure I remove the 1 working cable and carry it with me EVERYWHERE. What a pain in the butt.
Has anyone tried on custom roms to see if perhaps it is something just on the stock software telling it to go Slo-Mo.
My Verizon non usb attachment cable charges fast. My OEM Spectrum cable does as well. My dual one amp car charger charges slow no matter the cable, and my works Motorola and Kyocera cable charges slow no matter the connection. I have a couple Samsung's I need to test. I do not own any generics. I have not tried other combos.
player911 said:
IT IS NOT THE CHARGER!!
It is something in the cable. And good luck finding one. If you use the included USB cable that came with the G2, then it will charge on ANY charger "normally" (fast charge). If you use ANY OTHER cable, it will slow charge.
I don't know what is in the cable or why it makes a difference, but none of my USB cords/chargers work unless I use the INCLUDED USB CABLE.
I had a thread on this already somewhere in the General Area I think. It REALLY sucks because I have TONS of chargers and cables. I have some at work, home office, bedside, 2 in my car, friends cars, etc. I DO use Wireless Charging at night and luckily the phone has a huge battery to last through the day.
There IS a problem here but my thread got ignored like, "I don't see a problem here, just use the included cable". Well yea if I stayed home all the time. My work makes me travel for work so I have to make sure I remove the 1 working cable and carry it with me EVERYWHERE. What a pain in the butt.
Has anyone tried on custom roms to see if perhaps it is something just on the stock software telling it to go Slo-Mo.
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Click to collapse
I am using the Asus charger that my Nexus 7 (2012) came with and Samsung cables to charge my LG G2, no problems. Charges fast.
I just picked up one of these for work:
http://www.amazon.com/gp/product/B005OD89MY/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1
Charges fast, as well.
vween said:
I am using the Asus charger that my Nexus 7 (2012) came with and Samsung cables to charge my LG G2, no problems. Charges fast.
I just picked up one of these for work:
http://www.amazon.com/gp/product/B005OD89MY/ref=oh_details_o01_s00_i00?ie=UTF8&psc=1
Charges fast, as well.
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Click to collapse
Na I have TONS of chargers that all fast charge. They are all 2.0+mAh. Its just the cables.
I service hotels and I always raid their lost and found bin. Always treasure in there.
-sent from my LG G2 using XDA Premium 4
player911 said:
Its just the cables.
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Click to collapse
LG Spectrum cable does not work, slow charge, my fault.
However, the straight plug from my new Verizon car charger does work, the USB port also (ONLY with G2 cable so far[tested lg spectrum, Motorola, Samsung, and Kyocera. Older cables]).
Recap: So far ONLY Direct car charger or USB G2 cable has fast charged. Must be chipped or using some different wire combo?
player911 said:
Na I have TONS of chargers that all fast charge. They are all 2.0+mAh. Its just the cables.
I service hotels and I always raid their lost and found bin. Always treasure in there.
-sent from my LG G2 using XDA Premium 4
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Click to collapse
Ok. I can confirm that the cable used for the Nexus 7 (2012) works.
Also, the original cable for the Samsung Skyrocket works.
Works meaning fast charge.
I can't gurantee that this is the cable, but my skyrocket cable does look like the top cable here:
http://www.ebay.com/bhp/samsung-galaxy-s-ii-skyrocket-usb-cable
(Charger looks like it too, but the charget won't fast charge G2)
Edit:
The Skyrocket was really picky about cables/chargers. If it didn't have the correct one, it would wakelock. Maybe there's something with the way it's wired that makes it good for the G2 as well.
---------- Post added at 08:43 PM ---------- Previous post was at 08:34 PM ----------
I wonder if one of these would help:
http://www.amazon.com/dp/B004YX4HDU...UTF8&colid=30QBEX6L12GNN&coliid=IG0PDK7SARZGV
It's something to do with pins 2&3 being bridged that enables a cable to support fast charge.
That adapter linked above is supposed to do that.
More links:
http://www.amazon.com/Plugable-Char...2912&sr=1-6&keywords=USB/USB+Adapter+charging
http://www.amazon.com/Specialised-M...3703391&sr=8-1&keywords=fast+charge+usb+cable
Has anyone tried any of these.
player911 said:
IT IS NOT THE CHARGER!!
It is something in the cable. And good luck finding one. If you use the included USB cable that came with the G2, then it will charge on ANY charger "normally" (fast charge). If you use ANY OTHER cable, it will slow charge.
I don't know what is in the cable or why it makes a difference, but none of my USB cords/chargers work unless I use the INCLUDED USB CABLE.
I had a thread on this already somewhere in the General Area I think. It REALLY sucks because I have TONS of chargers and cables. I have some at work, home office, bedside, 2 in my car, friends cars, etc. I DO use Wireless Charging at night and luckily the phone has a huge battery to last through the day.
There IS a problem here but my thread got ignored like, "I don't see a problem here, just use the included cable". Well yea if I stayed home all the time. My work makes me travel for work so I have to make sure I remove the 1 working cable and carry it with me EVERYWHERE. What a pain in the butt.
Has anyone tried on custom roms to see if perhaps it is something just on the stock software telling it to go Slo-Mo.
Click to expand...
Click to collapse
Yeah, I'm not so sure about that. It may be the software in the phone that is causing the issue. I had to replace my car charger so I picked up a rocketfish 3.0 amp charger. When I originally used it, it was ridiculously fast, literally 30% in about 30 or so minutes.
Now, here's why I don't think it has anything to do with the charger cables. When I got my phone, I kept putting off doing the first update because I wasn't sure if I was going to root this phone. During this time, I got very good charging speeds from my rocketfish 3.0 amp car charger and many of my other rapid chargers. When I decided I wasn't going to root, I went ahead and downloaded the update. Now, unless I'm using the cable that came with the phone, I get the slow charging message with every single charger. I went from 30% in 30 to about 10% in 30 on my car charger.
I may need to pull out my tinfoil hat, but it would be a pretty huge coincidence that all my charging woes began with that update.
Yea something isn't right. I have a GNex, G2, Nexus 7 2012 and 2013. I always check for AC charging in Settings>Status. It will say AC or USB. When I got my Nexus 7s I replaced all of my chargers with fast chargers. For 2 years I've been fast charging. I got 3 different fast USB chargers on my desk, using the existing setup, Everything fast charges except the G2. If I use the included G2 cable, it will fast charge off all of them. The same with ALL of my home/office/car/travel chargers.
I can only get it to fast charge when I use the included USB cable.
Its something magical with that cable.
-sent from my LG G2 using XDA Premium 4
player911 said:
IT IS NOT THE CHARGER!!
It is something in the cable. And good luck finding one. If you use the included USB cable that came with the G2, then it will charge on ANY charger "normally" (fast charge). If you use ANY OTHER cable, it will slow charge.
I don't know what is in the cable or why it makes a difference, but none of my USB cords/chargers work unless I use the INCLUDED USB CABLE.
I had a thread on this already somewhere in the General Area I think. It REALLY sucks because I have TONS of chargers and cables. I have some at work, home office, bedside, 2 in my car, friends cars, etc. I DO use Wireless Charging at night and luckily the phone has a huge battery to last through the day.
There IS a problem here but my thread got ignored like, "I don't see a problem here, just use the included cable". Well yea if I stayed home all the time. My work makes me travel for work so I have to make sure I remove the 1 working cable and carry it with me EVERYWHERE. What a pain in the butt.
Has anyone tried on custom roms to see if perhaps it is something just on the stock software telling it to go Slo-Mo.
Click to expand...
Click to collapse
I haven't even unwrapped the charging base and usb cable that came with my G2, they still remain in the box. I have been using the charging bases from my Nexus 4, L9, Htc One X, Motorola Atrix and a GS3 through out my house and have mixed cables from god only knows where and all of them work. I get no slow charging from any combination. Even using mini usb cables with micro usb adapters attached and they all still work. I've checked all the output voltages and the lowest one is 800mA. Granted my D801 is rooted, but no custom rom as of yet.
Sent from my LG-D801 using xda app-developers app
MkV05 said:
I haven't even unwrapped the charging base and usb cable that came with my G2, they still remain in the box. I have been using the charging bases from my Nexus 4, L9, Htc One X, Motorola Atrix and a GS3 through out my house and have mixed cables from god only knows where and all of them work. I get no slow charging from any combination. Even using mini usb cables with micro usb adapters attached and they all still work. I've checked all the output voltages and the lowest one is 800mA. Granted my D801 is rooted, but no custom rom as of yet.
Sent from my LG-D801 using xda app-developers app
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Click to collapse
Have you gotten an OTA update?
I'm on the Verizon model. The other guy here said he only started having problems after the Verizon OTA.
-sent from my LG G2 using XDA Premium 4
Here's my theory,
There are chips either in the battery, the transformer, or both. When the phone doesn't detect what's required, it gives a slow charge message and reduces the charge speed. I have had previous phones with batteries that had built in chips that I had to buy because the generic batteries without the chips wouldn't work as well. I haven't taken a good look at the battery, and the transformer seems abnormally large, when I get a chance and some spares, I'll probably take them apart.
My tinfoil hat is telling me that LG is trying to rope us into buying first-party accessories, but it may also be a way to regulate battery health. Having a non-removable battery, it may be a move by LG to extend the life of the battery as long as possible.
Also, I just rooted my phone and so far no change. I will try the car charger tomorrow.
No updates from Tmobile as of yet... I can only imagine the frustration though. You would think LG would have made charging the phone, regardless of the model more standard across the board.
Sent from my LG-D801 using xda app-developers app
800mA is a slow charge... You should average 1700mA. Our cable is five pinned (if that matters). I need grab the mA reader app again. Now we know there is kernel check for flux ect. I want to know if the cable is pre chipped as well for check and regulation, isn't too uncommon. I'm beginning to lean more on an over aggressive kernel check though or possibly a combo of kernel and certain chip model check. I just find it odd my straight Verizon car charger and only this cable is working for me. Gonna check car cable pins in the morning. Verizon here, OTA taken. Did not check before.
The G2 seems to be capable of using Quick Charge 2.0, which is part of the Snapdragon 801 chipset. But with mine I got a basic AC wall charger, and if you read the (literally) microscopic text on it, it says it's putting out only 1.1 amps... which is well short of the at least 2 to 5 amps of many other chargers. So my questions are this:
1. Did anyone else get a higher capacity charger with their retail kit? Mine is a long rectangle bearing the LG logo.
2. If not, is this stock charger really not compatible with Quick Charge 2.0, or am I just reading the fine print wrong?
I've been researching this further, and it may be that LG intentionally shipped a low amperage charger. Because the battery is not user-serviceable, it would behoove them to use a slower charger, since ultra-fast charging harmful to the its life and capacity. The intricacies of rechargeable batteries are many, but the excess heat generated during charging degrades a Li-Ion pack pretty quickly, among other things.
Still, based on the assumption that the stock charger is truly 1.1A, I just bought a QC2 charger -- when I'm out in the field, I don't have time to sit and wait for something to charge at an outlet. I also bought a 10000mAh external battery with a solar panel. The rate at which LP eats juice is no joke.
@voxluna the g2 is using an Snapdragon 800 chipset and it might be capable of doing it but I don't know about it. But the micro usb port also doesn't support it as the additional pins were highlikely for slimport. Also using quickcharge on a device like this is highly risky as the device might not handle it too well. If the stock drains too much I suggest to find the cause of the problem and kill it or use an good custom rom with an good kernel and remove apps you aren't using. Goodluck.
Verstuurd vanaf mijn LG-D802 met Tapatalk
wulsic said:
@voxluna the g2 is using an Snapdragon 800 chipset and it might be capable of doing it but I don't know about it. But the micro usb port also doesn't support it as the additional pins were highlikely for slimport. Also using quickcharge on a device like this is highly risky as the device might not handle it too well. If the stock drains too much I suggest to find the cause of the problem and kill it or use an good custom rom with an good kernel and remove apps you aren't using. Goodluck.
Click to expand...
Click to collapse
I will dig into the QC2 wiring plan, just out of curiosity. I am confused as to whether an extra USB 3.0 port/pins are necessary (like on the Note 3) or not. Though I believe that plugging a phone into a higher amperage device is not supposed to be harmful. It's too late to cancel the Amazon order, so we'll see.
What I don't know is if my 1.1A charger is what's standard with a retail G2. The reason I asked if anyone else got a different charger is that this phone was a refurb I got from T-Mobile. For example, it came with a cable that I don't think is OEM LG, because it doesn't work with ADB. OTOH, it is possible they just don't implement QC2, like most models don't have the FM radio capability. But, the radio is omitted because carriers don't want it competing with music downloads; as for faster charging, I can't think of a good reason you wouldn't offer that feature.
@wulsic After a little digging, it appears you don't need any extra pins like on the Note 3; a sync+charge cable will suffice. And that makes sense, because the QC2 standard applies all the way from Snapdragon 200s to 8xx. Nonetheless, so far I haven't seen any documentation saying the G2 compatible with 2.0 -- the single LG device listed by Qualcomm is a G4. Crazy, really.
That still leaves QC 1.0, but I have yet find anything that shows the G2 (however, Qualcomm's listing is dated from before the phone came out, so it's not definitive). It may also be that a plain 2A charger, which I do have, can do the job faster than this LG 1.1A. I'll have to do some accurate testing to quantify a difference.
Further research: I came across this thread, a post in which seems to indicate that the G2 can do fast charging. However, I'm having a problem with the current not showing up properly in monitoring apps, which is confounding this entire process.