[Q] how to install rom in karbonn a9+?? - Android Q&A, Help & Troubleshooting

hi guys, i unable to install any rom in my phone. i even tried to do it by recovery mode.
it shows
e signature faield
installation is abort
plezz guys help me:crying::crying::crying:

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after flashing my phone... now its says IMEI invalid.. now what to do please reply.. please :crying:
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Can I get the Stock recovery for Lenovo A7700?
Can I get the Stock recovery for Lenovo A7700? I tried pulling out the stock recovery but i am not able to do it... can you help me doing this or you can just give me the stock recovery ?
Hello ...
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