LEXIBOOK MFC142FR, RK2926 SCAE 57261 1336, PCB:Q8-v2.0 20130702 MITECH need firmware

my daughter lexibook tablet model mfc142fr, is hardbrick.
specs:
system android 4.1.1
processor 1 ghz
lcd 7" capacitive, 800×480
rom 4 gb
ram 512 mb
dual camera 0,3 mp (front & back)
abi:armeabi-v7a
abi2:armeabi
rk2926 and board id Q8-v2.0 20130702 MITECH.

Please help me