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Welcome to TechKnow

Hello visitor and welcome to HcH'z TechKnow. Here you can find various modded firmware for tablets as well some other projects from me. For first time visitors/ROM downloaders there is a special topic to inform you how to identify your tablet model & which ROM to use. Registered members will see the downloads and Android ROM sections.

To start using custom firmware and TechKnow visit this link: 

First time visitors / ROM users read here 

Enjoy your stay!



xx Cheap 64-bit tablets?
July 25, 2014, 05:10:24 PM by HardcoreHacker
Chinese chipmaker Allwinner announced their upcoming SoC. This will be a cheapp 64-bit SoC for mainly tablets. More details/specifications are unknown, but it's highly likely it will be ARMv8a based. There are speculations that this will be a ARM A53. Around october Allwinner expect to have a demo ready to display.

2 comments | Write Comment

xx Community decides next project!
July 23, 2014, 01:58:53 PM by HardcoreHacker
Hello TechKnow Members!

So... it has been quiet for a while on my android development. In the background I've worked on a new android project, which will be released public very soon! Now I am trying to figure out what model to mod next, what would YOU like me to do ?

I've read so many good things about MediaTek, would like to try one. Then again, I know RockChip and I really like it! I haven't done enough projects with it so RC would be cool.

Or maybe something entirely different? I would like to know which devices are sold the most so I get myself one, preferly in a local store (NL) so I don't need to wait weeks/months for customs to clear.

Click here to reply which device would YOU like to see added to TechKnow and why!

I would love to read your reactions!


8 comments | Write Comment

xx News
October 01, 2012, 12:25:11 PM by HardcoreHacker
Hello Members and Visitors,

Re-flashing a device is risky! Nowadays there are many clones of devices that look identical, but have different hardware inside. We all know now that when you flash the wrong ROM your tablet can get in serious problems, or even be bricked!

Uberoid Quick HowTo / Walkthrough by Twjordo

From now on, the Uberizer replaces the ROM mods. The Uberizer is basically a tool that uses ADB to control, boost, fix, backup and root your Android device. Connect your device to your computer, use Uberizer's Wireless ADB tricks, drivers or the driver pre-install function to quickly start modding your device. The Uberizer can perform the mods seen in Uberoid, but without reflashing your device! Making it safer than ever to optimalize your Android device!


xx New Forum Categories
January 03, 2012, 05:14:18 AM by ZapMe1
18 MARCH 2012: TechKnow is now also on Tapatalk!

Just wanted to let you all know that we have opened up a few new Categories on the TechKnow Forum! We will be adding additional boards in the near future, but for now we have:
  • Tutorials:  The best "How-To" content by both members and staff.
  • Customizations:  Show us your talents with personalized content for our tablets.
  • VIP Contributions:  The Best of Member Donated Content.
  • Off-Topic Chit-Chat:  A place to socialize, relax, and post your Non-Uberoid content.

xx Opening of the new website
November 30, 2011, 08:53:36 PM by HardcoreHacker
Hello members and visitors of TechKnow,

The new site has been done! Thanks to moderator ZapMe1 who put a lot of effort in testing and modding the new forum, the new site has been built very fast! Hosting is thanks to

With the new site I hope to make a more clear and user friendly website.



Forum Rules

* First time visitors / rom users read here

* Full list of TechKnow / Uberoid supported tablets

* Rules for posting on TechKnow

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View Shout History
July 30, 2014, 06:44:35 PM HardcoreHacker
Thank you very much for your donation jmartens1114! Thanks to you we at least have something this month at TechKnow :)

July 27, 2014, 08:27:55 PM HardcoreHacker
Hello TechKnow members and visitors, today I've added a new section: A20 TV Boxes, uploaded firmwares. Added some howto's and FAQs for A20 TVBoxes, finished off the test build for Uberizer v1.9 which should be available public soon and uploaded some nice movies in the A13 FAQ Section. Presentations from some of the sunxi developers! A must see for every tech!

July 21, 2014, 02:51:58 PM HardcoreHacker
Thanks for fixing TechKnow GCE Hosting! !!!

July 19, 2014, 04:39:26 AM xtremox
finally fix my tablet :D

July 11, 2014, 11:18:41 PM satcomranger
Using temporary email addresses wil result in ban without warning or hesitation ..

July 11, 2014, 03:10:14 AM Cael
always sad when you haveto retire a dead android Device, my samsung pone no longer charges w/ the phone on and wants to "Trickle charge" when it's off.

June 30, 2014, 12:27:24 PM HardcoreHacker
Hey TLRH, wow that is very nice work you do! Giving people the chance to use / have computers is essential ! I am afraid however that recovery using the Uberizer doesn't work, I added too much automation to the function and I had feedback it worked, so I put the final code in the Uberizer. After that it turned out it doesn't work. Due TechKnow isn't doing well nowadays I may not release new versions anymore, sorry.

June 28, 2014, 07:17:31 PM satcomranger
 read about the uberizer for starters -- and post in that topic please ..

June 28, 2014, 04:22:20 PM TLRH
I rebuild tablets to gift to needy children and the disabled through NPO's. I have gifted > 2300 PCs in 2 decades. Deep thanks to HCH for the "cool" utility. I have donated twice, and will again when I can. I have very basic ??? about using dumps to flash other bricked tablets (same model). Where to go?

June 28, 2014, 01:20:40 PM HardcoreHacker
Added Phoenix Card 3.0.9 download mirrors to the Downloads \ A10/A20 Flash Tools section

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