General :: Cannot Access Rockchip 2918 Based Tablet Via USB
Jun 28, 2013
I have a noname chinese made Rockchip 2918 based tablet PC that I am trying to root so I can use some tools to increase performance/etc.
I have ADB and the Android SDK installed.
I have the most recent Rockchip drivers installed.
I have Development Mode turned on on the tablet.
When I plug the device into USB, nothing happens other then the windows notification sound to let me know something was plugged in. No "searching for drivers" nothing. When I go to ADB and do a "ADB Shell" command, it says device not found.
If I boot the tablet into Recovery mode, connect USB, and repeat the above procedure, I get the same result.
Is there a seperate USB Recovery mode I need to get into? I read about this on other RK2918 based tablets and I have tried all the methods to no avail. Volume up and Power is the only combination that does something, and that just takes me into normal recovery mode.
Just a side note, If I connect my HTC Evo 4G LTE and try the shell command, it finds it instantly.
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Jan 11, 2014
How to root tablets with this processor.
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Oct 18, 2012
I have a tab with following specs TCC8803 800mhz, 256ram, 4gb intern SD, display 7" 800x480 capacitive, HDMI, rtl8188cus wifi, no 3g. no bluetooth, no gps, support extern SD -32gb, support extern keyb thru USB-OTG.
tab was rooted worked ok till tried to put Linux through Internet. Was downloading packages and then wifi lost connection.ever since the chip warm-up ( opened tab and felt it ! ) but no display or sound at all !! I think i left it on debug mode in order to have external keyboard work.
windows 7 will see it as 'unknown/ unrecognized' device, i forced ADB drivers to it, I get Android phone but also 'device cannot start.
Tried to conx with TV via HDMI but nothing there too.
Tried to format a 4gb SD with sardu tested ok with quemu but nothing on the tab. no lights, no sound, silence of death !!! FYI no power led on this 150 euro device.
have saved some system files.
Android 2.3.1 Gingerbread, rooted with superclick 2.3.3.
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Mar 23, 2012
I reckon that I have deleted all the data from partitions such as boot, system, cache, etc all of them. Hence, the Nook tablet isn't starting into any mode except the recovery mode of ClockWorkMod. How to restore the boot entries of a Nook 16GB tablet?
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Oct 16, 2013
do you use rockchip based Android device with linux?
I've just bought Rockchip rk3066 based AllFine Fine10 tablet, and have trouble setting it up to work with adb on my Linux installation.
I presume problem is with udev rules, I use some giant package of udev rules but it does not contain rule for my tablet.
I have tried to manually define udev rule by inputing device ID listed by lsusb utility.
Quote:
lsub: Bus 002 Device 004: ID 2207:0010
Thus creating:
Quote:
# AllFine
ATTR{idVendor}=="2207", ATTR{idProduct}=="0010", SYMLINK+="android_adb"
But still device is not recognized by adb.
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Jun 12, 2013
I want to get a custum recovery because I can't access to my recovery mode it shows a foto of a droid, I tried rebooting from rom manager app, and from the power and Vol+ .. but nothing works you can check the foto in the attachments.
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Aug 14, 2012
My brother has an eken T02a tablet and recently i installed root explorer on it and my brother was playing with it and deleted /system and now it is not booting crying: there is a bootsplash screen but no boot loader and i dont know how to access recovery on this tablet.
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May 27, 2013
Rockchip 3066 TV Box I am working with. The situation is thus:
I have a number of these boxes, 12 in my possession currently with more on the way
I have successfully rooted the boxes through ADB, none of the one click or other methods worked, but rooting through ADB did.
I have tried using rkdump but unfortunately it cannot find the update.img which I assume to mean it doesn't have one.
What I would like to do is setup a box exactly how I want and then image this off and copy the image to the others
As I mentioned, even though it's a Rockhip based chipset, there's no way I can identify to extract any kind of update.img from it. I have seen through other postings that some of the 3066 based boards no longer use the same cramfs file header/structure the previous 2xxx chipset used so this is probably why.
The big thing is, I just want to mirror the setup to other hardware of exactly the same pedigree.Here is the MTD/partition map:
Code:
1|root@android:/dev # cat /proc/mtd
dev: size erasesize name
mtd0: 00400000 00004000 "misc"[code]....
what the precise format of the copy to and from commands should be assuming this is the way to go about it?
There's a number of applications that ship on the box by default too I need to remove as root, and I'd like to automate everything, hence the idea of imaging as opposed to stepping through all the tasks manually.
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Nov 2, 2013
My Quest tablet is accidentally locked yesterday it asking for gmail and password but i forgot the gmail id and password.So after a long search i found lots of things such as unlocking tablet pattern lock,gmail lock,pin lock etc.These topics only be successfull only when the tablet is in recovery mode.So i tried to put my tablet into recovery mode by pressing vol + and power button.But there appears a android bot lying with red traiangle exlamation.So i simply tried to access recovery menu by pressing power and the vol + .But nothing happens neither than a dead android bot lying down with a red traiangle.
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May 31, 2012
My mom bought a $200 tablet from some no name company named linsay. It's model is a Cosmos F-10HD. It's an all right little tablet but it comes without the play store. When I try simply installing the play store apk it works for a while until i try to actually get an app but then it crashes and i can no longer open the store. I think this may be due to read write permissions but I don't think I can modify those without root access. So is there some way to get the play store working properly on this tablet without root access? And if not is there some way I can root this device and then install it?
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Nov 2, 2012
Ive been trying to root my Nabi 2 tablet to access the Google Play Store. Ive downloaded ADB and followed instructions, Ive also got the correct drivers etc, when i ran the root tool by jmz I chose option 1 and it ran through the process, is there anything else I need to during during this as I then booted up and it was just the same as before?! Im normally an apple fan and experienced in jailbreaking etc but this is my first android as Im trying to exchange all my apple devices for android find a step by step full tutorial as Ive been trying to follow the one in this link here [URL]... but I cant understand what else I need to do?!
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Jan 25, 2014
I cannot access the recovery mode of Ainol Novo 8 Advanced MINI Tablet. I tried holding power + vol+ button but its not working,
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Jul 18, 2010
I am quite familiar with web programming (HTML, PHP, MySQL) and semi-familiar with Android Java programming, and would like to begin a project that combines the two together. Can someone point me into the right direction for how I would access/manipulate a web-based MySQL database from an android app?
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May 9, 2010
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Oct 5, 2010
We have a website that makes use of OAM for single sign on (form-based authentication). When we submit credentials to WebGate / Access Server the authorization succeeds, however after the authentication is performed, the form action (as configured in the Authentication Scheme - with passthrough:no) returns a server error instead of redirecting to the originally requested URL.
If we use Mini Opera, we are able to get authenticated and forwarded properly.
This problem happens on numerous Android phones (versions ranging from 1.5-2.2), as well as the Emulator provided with the SDK.
This is proving to be a real problem as the default browser on Android phones is not able to get access to our sites(and this is the only browser that is having this problem).
I have created a WebView-based custom browser with the hope of seeing a client-side error and tried trapping every possible error....none show up....
I have tried to trace all of the http requests and found only a single difference in the requests... the http header for Connection:keep- alive is not sent by the Android WebView.
I have provided some tracing info below...
CODE:....................
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Jul 2, 2010
I have to implement for my users something smaller than a notebook. I've been searching and researching and I found iPad and other Tablets with Android. I'm very interested in Android because, I think, it's more flexible but one thing will deerminate my solutions and it's gonna be "being able to connect to a Terminal Server". It's the only way the can access tp their emails and other documents securly. Do you know any free or paid software to perform this?
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Dec 31, 2013
I have a Nexus 7 tablet and every few days I notice a few new apps on the device. I'm not sure if they're full apps or just simply icons to download apps or get more information. I have tried to avoid using them. I know previously I had a couple apps that were sending notifications to the notification system that I considered to be spam. After some research I found out how you can find out which apps are doing it and disable notifications from those apps so that took care of that.
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Jul 22, 2013
i have a chinese tablet (Teclast P98HD A2Q6) with some very good specs it has 4.1.1 but it's laggy there's another tablet called (PIPO M6) with the same processor and display & it has 4.2.2 with the latest SDK for the chip.can i upgrade my tablet with PIPO's firmware ?
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Jun 23, 2013
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Any app that would turn it off for a set period of time, or maybe at a certan time of the day check to see if it is off and start it up again?
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Jul 11, 2013
How to port based on stock rom? I tried to port pyramid's cm9.1 on my device. Both cpu is msm8260..
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Dec 9, 2012
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Mar 8, 2014
I'm having some problems with the porting of a rom, my phone is a clone of the phone from which i'm taking the rom (My phone is a NGM Legend 2, which is also a clone of Gionee GN868, and the original is Blu Vivo 4.3) the only thing which is really different are the mounting positions of the internal memory.
In Blu Vivo 4.3 the system partition is mounted on /dev/block/mmcblk0p3 and the data partition is on /dev/block/mmcblk0p5 while in the mine they are mounted on /dev/block/mmcblk0p4 and /dev/block/mmcblk0p6.
I changed them in the updater-script so i'm able to install the rom, but i had to replace the boot.img with the one from my rom because the phone wasn't booting up, but i can't install any app from google play store (error 110) or any apk ("app not installed" error).
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Mar 6, 2012
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Sep 26, 2013
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Jan 19, 2013
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Mar 10, 2012
how to create a rom based on CyanogenMod 7 for lg optimus one if I say
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Jul 6, 2012
I am searching an application that can tell me "who is calling" in those cases where the called number is not in among my contacts. To do this the application should access via internet to databases such as yellow pages, white pages and tellows. It would be nice if the same application could use all of these 3 databases and, if a match is found, a pop-up should come up on the screen with the information found.
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Feb 3, 2012
How can I set up autosync to only enable when wifi is connected, or perhaps a location based setting that will turn it on and off when I'm at home or work??
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Jan 18, 2013
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Aug 14, 2013
Am I wrong in thinking that a dd based tool would be better than having to rely on a 3rd party recovery? If you used to dd, you wouldn't have to deal with any of that stuff right? Could you not just make images of all the partitions of your device and store them on your computer as backup? Then if you get bricked, could you not use those images again and just re-image the drive?
That's the problem I'm having with my device. My buttons will no longer function so I can't flash anything in the recovery and using Odin (Samsung) to flash works but no existing roms or kernels that I can find will fix the touchscreen.
However, I can access the device through ADB and I'm assuming I could get the device to show its partitions on Linux right? So then could I use someone else's existing partitions and re-image those on my device?
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