How to solve issue of ramdump_modem?

[AC Question]

pls help me my mi4i is creating trash called "ramdump" my mobile is preety messed up after doing flashing which i did to solve simcard issue but simcard isn't detecting but my phone is preety useless now video doesn't load, no sound, and always creating trash called "ramdump_modem" something like this please tell me solution my mi4i is already out of warranty but i just do normal use of watching videos and calling pls help me to fix it

 

[anon(632115)]

Try a battery pull