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Install Android 3.0 Honeycomb ROM On Viewsonic G-Tablet [Guide]

viewsonic-gtablet-honeycombWe have confirmation of Honeycomb being ported to the Viewsonic G-Tablet. The ROM has been released by XDA-Developers forum member zyhong. The ROM is intended for users running the bootloader 1.1 on the G-Tablet. More details on the ROM and the installation guide after the jump.

This ROM is based on an already existing ROM called Roebee’s BOS a5.2 but with some additional tweaks to it. The additional changes / features are listed below:

  • Overclocked by default (max frequesy adjusted by battery level) (check Clemsyn’ kernel post on how to undervolt with pimpmycpu).
  • Tweaked internal storage & SD card read speeds.
  • Annoying ads in programs are blocked.
  • Calkulin’s battery saving script.

Note, that USB storage mounting does not work for now.

Now that you know what this ROM is all about, let’s get it up and running on your device.

Disclaimer: Please follow this guide at your own risk. AddictiveTips will not be liable if your device gets damaged or bricked during the process.



  1. To begin, copy the ROM you downloaded from the link above, to the root of your SD card.
  2. Once the files are copied, reboot your device into recovery mode.
  3. Once in the recovery, make a NANDroid backup.
  4. Now, wipe data/factory reset, wipe cache and Dalvick cache.
  5. Once done, simply flash the ROM you copied to your SD card and let it install.
  6. Now simply reboot your device and cross your fingers!

Congratulations! Your G-Tablet will now boot into the Honeycomb ROM. For updates and queries, visit the forum thread at XDA-Developers.


  1. i need help please ..
    once i have done the clockwordmod , the recovery keys are not showing up . what would i do ?

  2. Nice but no flash support on browser, does anyone have a quick fix for this, even dolphin browser isnt playing flash content.

  3. Nice but no flash support on browser, does anyone have a quick fix for this, even dolphin browser isnt playing flash content.

  4. I need help!!!!
     i just downloaded (succesfully) the link above for the honeycomb rom. when i open the file o copy it to the root of my SD card, it says that it is write-protected. What do i do to bypass this?

  5. Hi! my name is Joe Parente and I own a G- tablet. it is so slow that watching any sort of video is very difficult. i have tried to fix the problem along with a person that said he could get it up to snuff.
    We have both spent many hours with it but we cannot get it to be better than factory settings. Weeks have gone by with no result.

    Can you do it for me?
    I am willing to pay you to set it up for me.

    Please let me know if you can help me./ Thank you Joe P.

  6. A video demo would be great.
    I tried to open the device in recovery mode but it doesn’t. Also I do not understand the 5th step

  7. I successfully upgraded to honeycomb on my gtab but adobe flash does not work and does not seem to download from app store. Anyone else come across this ?

    • installed, minor glitches: i.e. hq video doesnt work, and streaming video doesnt seem to function. Any suggestions?

  8. It sure says it’s Android 3.0.1… has anyone gotten the marketplace working? I can browse, but if I try to install something it goes to “waiting to install…” and never finishes.

    • I have no problem downloading from the market. As I recall, you have to register your gtab with a google account to have market access. Also, it may matter that your internet is wifi via an ISP, not some te there internet cell phone deal. There are all sorts of situations where you have to use your browser in desktop mode, not tablet mode, to get access to some things. See advaced settings in your browser, plus not all browsers are equal — opera mobile seems to be best in desktop mode.

  9. OK, call me paranoid. But has anyone audited these custom ROMs to verify there’s no embedded spyware on them?

  10. Just received my gtab last Thursday and spent the day with it on the 2.2 install. This was my first experience with rooting, and the hardest part was getting CWM to work. I ended up bricking it the first time then using NVFlash to restore it, which proved even more frustrating as it booted up in the Tap n Tap UI and apparently overrode the update which allowed for the choice between 2.2 and Tap n Tap. I was successful on my second attempt at getting CWM to work, and this was a breeze once I was reboot into CWM.

  11. Easy install. Nice build. Updated from VeganTab Gingerbread edition. I haven’t noticed anything other than HQ video not working (no hardware acceleration) and no camera. Initial boot after install for me was very slow (about 5 min). Thanks for the post!

  12. I have two gTablets, one for experiment and the other for work. I installed Honeycomb and it is actually quite nice! I have Netflix working on it. Rather slow boot, but once up, it’s nice. Still concerned that they haven’t figured out how to get the camera working.

    • How did you get netflix running? I used the old method but it did not seem to work for me.

  13. The final step is a bit confusing for me, can someone explain please? I have copied the files above to the 2nd sdcard, and have no clue what is meant by flash the rom from the sdcard file means. I have used NVFLASH but those were image part files, Do I extract the files and then copy them into NVFLASH or do I leave them in the zip file and do something with the gtab to get it to instal and flash from the 2nd sdcard to the first and the ROM?

    I hope I make sense, thanks.

  14. I installed Honeycomb on my Viewsonic g-tablet. The instructions above are simple and easy to use. The installation was perfect, and went right the first time. The gTablet with Honeycomb is more powerful and faster than my Core i5 laptop for some apps. The functionality is amazingly better than out-of-the-box viewsonic version of android 2.2. The interfaces are improved, the I/O through virtual keyboard is better, and barring a couple of “badly” written apps, each app that I have installed performs extremely well! I give Honeycomb all thumbs up!!

  15. You say to download Honeycomb from the link “above.” However, I see no link. Am I missing something?

    • So…let me see if I’ve got this…there is no Honeycomb, just Gingerbread 2.3…

      And one ‘silly’ question…how can I tell which bootloader I have? I’ve got the VEGn-TAB-v1.0.0B5.1, my Kernal version is…if this helps.


  16. Alright, actually followed the link, and my apologies. I was obviously pretty confused. Sorry for the false alarm!

  17. Sorry, but your fact-checker needs to come back in for some overtime.

    (1) It’s roebeet, not Roebee.

    (2) zyhong’s port is a GINGERBREAD (ver 3.3) port, not a HONEYCOMB port. And it’s based off of CM7, not Bottle of Smoke (BoS).

    (3) zyhong’s ROM and roebeet’s BoS are both built for the 1.2 bootloader, not the 1.1. Someone running 1.1 who installs either ROM will soft-brick their device.

    Yes, these are nerd-fu details. But if you can’t get the details right, then please don’t post them.

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