pepe2u4u

Hi! I have bought this dvr (HCVR4104HS-v3 )from China and started playing with it. Ofcourse the reason was to change the chinese language to English I have done and update with this file DH_HCVR5x04-S2_SpnEng_NP_V3.200.0001.20.R.20150520.bin Everything was allright except the fact that each buton or description from the menu had also some odd english strings (like something from programming) After that i have tried another firmware: DH_HCVR5x04-S2_Eng_P_V3.200.0004.6.R.20151123.bin After this firmware the dvr keeps trying to boot. Only the logo appears and after a while it reboots. Is there anyway at least to rewrite the firmware with previous version? Is it lost forever? Thank you for your help!