How can I back of my phone if my phone is possibly soft bricked?

[ADITYA SINHA1]

hey Iam new to android central MY smartphone is soft bricked after installing theme.Please reply me

my
device
is
spice
mi
356
and
it
is
rooted
but
bootloader
is
not
unlocked.Its
in
warranty.I
DONT
HAAVE
ANY
BACKUP
OF
ROM

 

[wizzrah]

Re: hey Iam new to android central MY smartphone is soft bricked after installing theme.Please reply

Hello. Welcome to Android Central! I just want confirm that this your device?

http://m.gsmarena.com/spice_mi_356_smart_flo_mettle_3_5x-6321.php