Developer version update: 2014-04-18
LeWa_ZTE_V889S_JB_ROM_2014-04-18
Developer version update: 2014-04-18
LeWa_ZTE_V967S_JB2_ROM_2014-04-18
Somebody posted the English translation of Chinese recovery menu. I don’t know which thread it was. You can search the forum for it.
Developer version update: 2014-04-13
LeWa_HUAWEI_C8812E_JB_ROM_2014-04-13
Developer version update: 2014-04-13
LeWa_HUAWEI_C8815_JB_ROM_2014-04-13
Developer version update: 2014-04-11
LeWa_HUAWEI_G510-0010_JB_ROM_2014-04-11
Developer version update: 2014-04-11
LeWa_HUAWEI_G520-0000_JB_ROM_2014-04-11
Developer version update: 2014-04-11
LeWa_HUAWEI_G525-U00_JB_ROM_2014-04-11
Developer version update: 2014-04-13
LeWa_HUAWEI_G700U00_ROM_2014-04-13
Developer version update: 2014-04-13
LeWa_HUAWEI_T8950_JB_ROM_2014-04-13
Developer version update: 2014-04-11
LeWa_HUAWEI_Y300-0000_JB_ROM_2014-04-11
Developer version update: 2014-04-15
LeWa_n7100_ROM_2014-04-15
Check this forum to see if LeWa ROM available for your device. If not, check http://www.needrom.com or google.
That looks like a hardware problem to me. Is it better if you put the phone in a cool place?
You may be able to use flash tool to flash your backup ROM. You also need to install the drivers, so your phone is recognized by the PC. There are tutorial on how to install drivers and use SP flash tool in this forum.