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Prepare your Dreambox to support GPT with Dream-gpt.sh
Important before you prepare your DreamBox for GPT, you should create a Rescue SD Card and an Emergency SD Card with the Dumbo Script from the Boxpiraten Forum.
because it can happen that after the update 1.12G even if everything is correct that the Rescue loader does not start, the reason I do not know, but that is not bad as long as you have a Rescue SD Card or the image which is on the box still starts.
You have a rescue SD card or a second Dreambox ONE or Two to create the SD card later.
Lets start :
For Update Your Dream ONE/TWO
Prepare Update to latest openATV 7.3 check Image is Running
Download Putty
Connect with putty to your dreambox run the script.
wget -O /tmp/dream-gpt.sh "http://source.mynonpublic.com/dream-gpt.sh" && chmod 777 /tmp/dream-gpt.sh && /tmp/dream-gpt.sh
Follow the instructions and update your FrontPanel, U-boot and Rescureloader if necessary.if there are errors after an update, start the script again, otherwise restart the box once and then run the script again.
Now Your Box is ready for GPT.
If you already have BL111 ... you can make a Rescue SD from BL WebIF.
Video Tutorial :
Thanks to OpenAtv