Originally Posted by Aditya3
my phone is not booting.I have to install a custom rom.how can I install it from external SD.the system recovery isn' reading it.
There are infinite posts regarding how to install a custom rom. Firstly you have to root ur phone then install a custom recovery like cwm or twrp and then you have to flash a new rom. system recovery can be used to install recovery like cwm. google it.