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→‎Installation: Instructions on how to backup kernel
== Installation ==
=== Flashing kernel ===*IMPORTANT NOTE:* backup your boot partition before flashing kernel. If you have root, you can do it with adb. Connect phone to computer, enable USB debugging in Developer mode. Then<source>$ adb shell$ su# dd if=/dev/block/mmcblk0p16 of=/sdcard/boot.img</source>I did these 2 commands as well (don't know if these are needed)<source># dd if=/dev/block/mmcblk0boot0 of=/sdcard/boot0.img# dd if=/dev/block/mmcblk0boot1 of=/sdcard/boot1.img</source>If the phone isn't rooted, use ResearchDownload tool for backup. Fastboot on this phone doesn't support booting kernel from SD card, so it's required to flash kernel with <sourcecode>$ pmbootstrap flasher flash_kernel</sourcecode>
If you have SD card that is rather fast, consider to not flash rootfs on the phone, because it's memory is probably slower (15 Mb/s on read, 9 Mb/s on write).


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