[Merit2019]

Can I use Gionee S10 (4GB) Firmware to flash Gionee S10L (6GB) with the same MT6757?????

[Abdulakeem14]

Can I use Gionee S10 (4GB) Firmware to flash Gionee S10L (6GB) with the same MT6757?????

what you need to check is the phone build no you will see @ settings>about>software info
if the phone is bricked then refer to https://www.hovatek.com/forum/thread-16005.html

[X3non]

Can I use Gionee S10 (4GB) Firmware to flash Gionee S10L (6GB) with the same MT6757?????

No