Hi,


 In our project we need to provide firmware upgrade feature to the
product. We are using android 2.2 in our product. We are using NAND
flash to store linux and file system. Our requirement is download the
update.zip from PC to SD card and put the SD card in to the product
and update the firmware from SD card to NAND.

 Can we use

 installPackage (Context context, File package File) API of recovery
system to update the software. Do we have to put udate.zip in the
recovery partition of NAND?

Do we have to put recovery support in bootloader or is it a part of
android OS, because I can see the recovery directory under bootable/
recovery of android source.



Please provide us the more details about the recovery system.

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