As you may or may not know, the USB port on the dock does not put out constant power.
If the Prime is attached to the dock, and the screen shuts off, so does the power to the USB.
If the Prime is not docked, the USB gives out no power.
I wifi tether my phone to my Prime 60-90 minutes every day, and I need to charge my phone while tethered because of the crazy battery drain. I'd like to charge my phone from the docks USB while I tether to keep it all self contained. I use my tablet undocked while tethering, so I can't charge my phone. I also don't want to have to use the Prime docked and make sure the screen doesn't shut off, just to charge my phone.
I haven't heard of anyone accessing the docks firmware.
Is there any way to change this?
jaycustom said:
As you may or may not know, the USB port on the dock does not put out constant power.
If the Prime is attached to the dock, and the screen shuts off, so does the power to the USB.
If the Prime is not docked, the USB gives out no power.
I wifi tether my phone to my Prime 60-90 minutes every day, and I need to charge my phone while tethered because of the crazy battery drain. I'd like to charge my phone from the docks USB while I tether to keep it all self contained. I use my tablet undocked while tethering, so I can't charge my phone. I also don't want to have to use the Prime docked and make sure the screen doesn't shut off, just to charge my phone.
I haven't heard of anyone accessing the docks firmware.
Is there any way to change this?
Click to expand...
Click to collapse
The dock probably doesn't have an editable firmware
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Related
Is it possible to make the transformer keyboard dock into an external battery pack for my htc desire?
wut
Sent from my Transformer TF101 using Tapatalk
I think maybe he means using it as a charger for his HTC desire.
It is "possible", however you will need some way to modify the dock so that it activates power when the pad is not docked but the usb cable is connected. Because as far as I know the USB device won't be active unless they keyboard is docked. Good luck.
Make cable
That is actually one smart idea. Unfortunately it will require you to make a special cable that hooks into the dock/keyboard where the tablet is inserted, that is the connector for electricity to the battery in the tablet. Seeing that you are in Taiwan I'm sure you can convince a manufacturer to make a cable like that, I think there might actually be a market for that, albeit kind of specific and limited.
How about the Transformer USB adapter that plugs into the dock port. here:
http://liliputing.com/2011/08/asus-...sb-adapter-other-accessories-coming-soon.html
then plug a SUB cable from your phone to the USB adapter. I don't know that It would work but just an idea.
I tried to use the dock to charge my cellphone while I was in Hong Kong. There is one major obstacle to overcome. The usb ports on the dock will only provide a charge when the tablet is docked and awake. The second the screen turns off, it stops providing a charge. What I did was set the transformer to never sleep (never turn off screen) and plugged my phone up while I slept. Drained my battery in my Transformer, but charged my cellphone, which was more important.
Hello everyone,
I have my 32GB TF201 with docking that I purchased 3 weeks ago. After I purchased I was able to charge my table directly thru outlet twice and once thru the dock. This week the tablet ran out of battery. I plugged it to the outlet with an empty battery and yellowish light was on. In the morning (after 6 hours of charging) I checked and the light was still yellowish. I said 'what the hell' and left home for work. When I came back I checked and saw that the battery was only charged to ~9%. I re-checked the outlet and it was not charging. The battery icon appears when I plug the cable but the status is 'Not charging' and it actually is not charging. I could then charge the dock thru the same outlet and usb cable up to 100%. I also could charge the tablet thru the dock's battery. the only problem is between the charger and the tablet itself. I will still take it to the service but I can still listen to ideas to check in the weekend.
Thanks a lot.
You probably have a busted charge port on the tablet itself. Try plugging the tablet to the computer and see if it registers. If not, more than likely the charge port on the tablet is broken.
Sent from my SPH-D710 using xda premium
huynhc said:
You probably have a busted charge port on the tablet itself. Try plugging the tablet to the computer and see if it registers. If not, more than likely the charge port on the tablet is broken.
Sent from my SPH-D710 using xda premium
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Click to collapse
that was the one thing I did not check and I will today. but the tablet is being charged from the dock that is connected thru the same port.
I am having the same no charging issue, but I do not have a dock. The device recognizes the computer just fine when I plug into that, but into the wall, I get nothing. Even when connected to the computer, all the connection info pops up (usb debugging, asus sync, etc) but it does not charge. Problem started this morning.
Cayniarb said:
I am having the same no charging issue, but I do not have a dock. The device recognizes the computer just fine when I plug into that, but into the wall, I get nothing. Even when connected to the computer, all the connection info pops up (usb debugging, asus sync, etc) but it does not charge. Problem started this morning.
Click to expand...
Click to collapse
sorry to hear that but still good to know that I am not the only one I will update this thread when and if I get a response from the service. please let me know if you find the reason or a solution to this problem
cheers
yuzereroglu said:
sorry to hear that but still good to know that I am not the only one I will update this thread when and if I get a response from the service. please let me know if you find the reason or a solution to this problem
cheers
Click to expand...
Click to collapse
Okay, I first had this issue last night. Unplugging and plugging it back in fixed it at the time. Then this morning, I couldn't get it to charge at all (replugging it in multiple times) via AC or USB (though it did recognize the other USB things like it should). I managed to find a dock in stock nearby finally and picked one up today. Plugging the tablet into the dock charges off the dock like it should, and plugging in the dock charges it like it should. Now, miraculously, when I unplug the tablet from the dock and plug it back into the wall via AC, it works again.
So, don't know what exactly the issue is, or how exactly to fix it, but at least it seems to have fixed itself for the moment. And, now I have the dock if this happens again
hey there. i took the tablet to the service but to my luck the unit is flagged as 'defective on arrival' and I had to return it. I guess it was a ahrdware issue. I could not take a new one since the reseller was out of stock of TF-201. I am waiting for it to become available.
Wow - my tablet would not charge at all last night as I ran out of battery. I tried all the outlets in my hotel room and my PC, but it just seemed like the charge port was dead. I noticed that the trim around the charge port was a bit deformed, so the plastic part that abuts the bezel was not straight.
Anyways - I get to the office this morning and plug it in and now its charging - whew! This is eventually going for RMA since the HDMI is completely dead, and now it does seem the charge port is a bit loose. I am concerned it will happen again just when I need it!
Very frustrated with the quality issues - it's just harshin' my buzz with this tablet.
I've switched through three different primes (with issues unrelated to this) but I seem to notice that all of the chargers are like this. It seems like a security feature or bug (not sure) but if you keep the charger plugged into the outlet, it auto shuts off the charging adapter after being plugged in for a prolong period of time. If you take the charger out, leave it unplugged for an hour or two, then plug it back in. It will work again. All three of the primes I got do this. So I just remember to unplug the charger and don't leave it plugged in and the issue doesn't seem to happen anymore.
btw just a heads up:
- USB won't charge on computers unless your usb port is usb 3.0. If your usb is 2.0 it will only charge on idle (which you won't be able to tell really)
- Dock won't charge the tablet unless the tablet runs around 75% battery (sometimes higher sometimes lower) its in the FAQ
Cayniarb said:
Okay, I first had this issue last night. Unplugging and plugging it back in fixed it at the time. Then this morning, I couldn't get it to charge at all (replugging it in multiple times) via AC or USB (though it did recognize the other USB things like it should). I managed to find a dock in stock nearby finally and picked one up today. Plugging the tablet into the dock charges off the dock like it should, and plugging in the dock charges it like it should. Now, miraculously, when I unplug the tablet from the dock and plug it back into the wall via AC, it works again.
So, don't know what exactly the issue is, or how exactly to fix it, but at least it seems to have fixed itself for the moment. And, now I have the dock if this happens again
Click to expand...
Click to collapse
This is the exact replication of what's occurring with my TF201 with the exception that it is still not charging directly plugged into the tablet after I remove from the dock.
weird trick
I think this might be due to how some devices recognize power, i have the same issue with my iPod touch. I found that if you take the charger wire with adapter attached and plug that into the tab, then plug that into the wall it should normally work. My brother was having this issue also with his dock not charging, and this method makes it work.
Well, called ASUS support and got an RMA to send it in. Apparently something's wrong.
My Prime ac adapter stopped working (the cable works fine) and was wondering while i wait for a new charger if the dock can charge through the pc. Any help or suggestions are appreciated
Sent from my Transformer Prime TF201 using xda premium
I know that the prime can be charged by a computer,but I never tried with the dock,to charge your tablet you must turn off it or put it in to sleep...
rogeriok said:
I know that the prime can be charged by a computer,but I never tried with the dock,to charge your tablet you must turn off it or put it in to sleep...
Click to expand...
Click to collapse
May I ask how? Everything Ive seen and read says that the usb doesnt put out anywhere near the power needed.
The tablet can charge on the lower 5v, but its a trickle charge and it doesnt show the charging icon. Anyone try this with the dock? Mine doesnt work but mabe theres a way...
Sent from my Transformer Prime TF201 using xda premium
The dock does not charge from USB.
As far as I know the Prime can indeed be charged by USB only when it is off, since when it is on it will probably consume more power than the one received from USB
For the Dock, I really dont know if it may actually charge, Id say just leave it connected and check it out a few hours later The worst that can happen is that is does not charge at all.
Nope, does not charge while docked. Actually, if I forget to plug it back into the AC adapter, it will lose battery life over an extended amount of time...
Now it does charge through the PC usb with only the tablet, but as previously stated, it is a trickle charge.
cragains said:
Nope, does not charge while docked. Actually, if I forget to plug it back into the AC adapter, it will lose battery life over an extended amount of time...
Now it does charge through the PC usb with only the tablet, but as previously stated, it is a trickle charge.
Click to expand...
Click to collapse
The TFP must be completely off to charge from a USB port, and then it will take a long time.
The TFP requires 15v to charge at the normal rate. A USB port puts out maximum of 5v.
Haven't used the prime much since picking up my SGS3, but I powered it on and plugged in the charger. It made a audible 'ding' and flashed a picture of a battery. Didn't think much of it but about 15 minutes later noticed it wasn't charging. Checked settings-->Battery and said not charging. Plugged into usb and pc recognized it, popped up the auto play and the prime did the same screen flash of a battery and ding. Can transfer files fine, did a few pics. But still not charging according to 'battery' in settings and % is still dropping .... Any ideas?
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
bigblue95z said:
Haven't used the prime much since picking up my SGS3, but I powered it on and plugged in the charger. It made a audible 'ding' and flashed a picture of a battery. Didn't think much of it but about 15 minutes later noticed it wasn't charging. Checked settings-->Battery and said not charging. Plugged into usb and pc recognized it, popped up the auto play and the prime did the same screen flash of a battery and ding. Can transfer files fine, did a few pics. But still not charging according to 'battery' in settings and % is still dropping .... Any ideas?
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
Click to expand...
Click to collapse
I have the same issue, try charging it through the keyboard dock. I find if I plug it in directly to the tablet it trickle charges but says its not (will only go up slowly and only when screen is off possibly even the tablet itself), its to do with the charger, it is has some sort of transistor to switch it between 5V and 15V so I've heard, prime requires the 15V, but it gets stuck in 5V - only plugging it in to the keyboard dock works for me.
Whether what I've said above is true I don't really know I'm only going off what I've read, if anyone has a fix for this please mention it!!
Kevin
kevinm2k said:
I have the same issue, try charging it through the keyboard dock. I find if I plug it in directly to the tablet it trickle charges but says its not (will only go up slowly and only when screen is off possibly even the tablet itself), its to do with the charger, it is has some sort of transistor to switch it between 5V and 15V so I've heard, prime requires the 15V, but it gets stuck in 5V - only plugging it in to the keyboard dock works for me.
Whether what I've said above is true I don't really know I'm only going off what I've read, if anyone has a fix for this please mention it!!
Kevin
Click to expand...
Click to collapse
Well before I went to bed last night, I plugged in my prime to my PC, powered off and went to sleep. Wake up, turn it on, and I'm still at 38% and dropping. Hasn't charged at all. But PC see it just fine still. I'm baffled! Anyone else have some insight?
When you guys charge your prime, do you get a battery image flashed on the screen? It's maybe 3" diagnal and an audible 'ding'? Last time I used it, it updated the firmware to the .28 and I really didn't use it after so I don't remember how it acts when it get plugged in for charging.
bigblue95z said:
Haven't used the prime much since picking up my SGS3, but I powered it on and plugged in the charger. It made a audible 'ding' and flashed a picture of a battery. Didn't think much of it but about 15 minutes later noticed it wasn't charging. Checked settings-->Battery and said not charging. Plugged into usb and pc recognized it, popped up the auto play and the prime did the same screen flash of a battery and ding. Can transfer files fine, did a few pics. But still not charging according to 'battery' in settings and % is still dropping .... Any ideas?
Sent from my SAMSUNG-SGH-I747 using xda app-developers app
Click to expand...
Click to collapse
bigblue95z said:
Well before I went to bed last night, I plugged in my prime to my PC, powered off and went to sleep. Wake up, turn it on, and I'm still at 38% and dropping. Hasn't charged at all. But PC see it just fine still. I'm baffled! Anyone else have some insight?
Click to expand...
Click to collapse
kevinm2k said:
I have the same issue, try charging it through the keyboard dock. I find if I plug it in directly to the tablet it trickle charges but says its not (will only go up slowly and only when screen is off possibly even the tablet itself), its to do with the charger, it is has some sort of transistor to switch it between 5V and 15V so I've heard, prime requires the 15V, but it gets stuck in 5V - only plugging it in to the keyboard dock works for me.
Whether what I've said above is true I don't really know I'm only going off what I've read, if anyone has a fix for this please mention it!!
Kevin
Click to expand...
Click to collapse
bigblue95z said:
When you guys charge your prime, do you get a battery image flashed on the screen? It's maybe 3" diagnal and an audible 'ding'? Last time I used it, it updated the firmware to the .28 and I really didn't use it after so I don't remember how it acts when it get plugged in for charging.
Click to expand...
Click to collapse
After.28 was pushed I noticed my prime was NOT charging. I checked the connection, the ends, the port...nothing.
I then called Asus and they told me to plug into PC and let it charge to over 50%...It sat uninterrupted connected to my PC for over 10 hours...this is a very slow charge...they then told me to call back and they would basically wipe data through Android Recovery to find out if it's software or hardware related.
After it charged to 75% on my PC I unplugged and reconnected AC charger....it worked. I didn't wipe data, I think it just needed that trickle charge. Similar to the first charge 8+ hours...
Good luck with it, I'd call Asus...I'm just telling you what they told me...I never called back cause it worked...
Yes it shows when you connect AC adapter, and yes it's audible tone
DROID DOES, Apple did...like I forgot when
I had a very similar issue, and really got nervous when my apple USB charger still didn't do more than a trickle. Then I read the power specs on the asus charger and realized it's got more power, so I went and bought another charger and sure enough that worked right off the bat.
Once it charged I did some troubleshooting and realized that the power brick itself (even though it wouldn't stay together from the time I got it) was fine, the cable was the problem. My cable appeared to be in mint condition, no visible damage or bent pins or anything, transfers files but only trickle charges. Finally ditched it and now I have one good USB cable and two USB adapters.
I got my charger for $25.00 at office depot I think, 30 was regular and it had a discount or something I believe.
reset switch
I ran into this today again. There is a little hole on the left side of the tablet with a hard reset switch in it. Stick a pin in there (quite deep) and the switch will reset the tablet and it will start charging again. if it fails repeat the procedure.
So I have this issue where my dock is unable to charge. When I plug in my tablet on its own, it charges just fine (though the little light to indicate as such does not seem to work). When I plug the dock in on its own, it doesn't charge, and the little indicator light does not shine, either. When the tablet is connected to the dock and I plug it in, the tablet charges, but the dock does not. I am fairly certain it is not the dock because I have bought two different docks and the problem was present both times (first dock was refurbished, second one is brand new). Seeing this problem twice is extremely frustrating and I don't know what's wrong. Any help is much appreciated!
gotryce22 said:
So I have this issue where my dock is unable to charge. When I plug in my tablet on its own, it charges just fine (though the little light to indicate as such does not seem to work). When I plug the dock in on its own, it doesn't charge, and the little indicator light does not shine, either. When the tablet is connected to the dock and I plug it in, the tablet charges, but the dock does not. I am fairly certain it is not the dock because I have bought two different docks and the problem was present both times (first dock was refurbished, second one is brand new). Seeing this problem twice is extremely frustrating and I don't know what's wrong. Any help is much appreciated!
Click to expand...
Click to collapse
Never heard of that one but applying some logic:
1. The dock should charge if the power cable is plugged in to it even without the tablet connected (i.e. the dock can charge by itself). Hooking it up this way eliminates the tablet as the source of the problem since it isn't hooked up. So the tablet is not the problem
2. Therefore the problem has to be either the dock, the cable, or the charger.
3. You already tried using a different dock (the second one being brand new) with the same result, probably eliminating the dock as the problem (as you already indicated).
4. That leaves the charger or the cable. Do you have another cable you can swap in?
I have Exactly the same problem.. My cable charges the tablet perfect but not the dock.
I plug the cable charging the dock overnight and nothing, cero charge. But if I leave charging the tablet it charges perfectly.
Now. I also notice that when I connect the tablet to the dock it says " change to Asus keyboard for better consistency " How do i chage this?
Sent from my Transformer Prime TF201 using xda premium