MultiROM for Optimus One Modified for Multi-Boot with Different Kernels
In many cases, when you update to a new version of Android, it can be difficult to climb back down to an older version. We’ve brought you coverage on various methods for different devices, and some of them are downright dangerous. However, if done correctly, you can update in a manner that will let you go back should you want or need to. One such method has recently been released for the LG Optimus One P500.
The method is a modified version of a dual booting application originally developed by XDA Recognized Developer Tasssadar. Called MultiROM, the original app couldn’t support different kernels. In essence, you had to run both ROMs on the same kernel. And naturally, you can’t use the same kernel for Gingerbread and Ice Cream Sandwich. Thus, the application was modified by XDA Senior Member arnab321 to allow for multiple kernels—one for each ROM. This then allows for ROMs from different versions of Android to be flashed.
It is not difficult to use. Users need to install the application and follow the prompts to get a ROM installed to the SD card. From there, you can run multiple ROMs, and thus give Ice Cream Sandwich a try without losing the ability to go back to Gingerbread if things don’t work out. For further instructions and download links, go to the application thread.
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