tecno t880 no signal on sim2
 

how can i fix this problem

the phone does not indicate signal on sim 2 , i can make call , but i can't receive

can i format second sim harware?

hello!

i would advice to make second MCU firmware full backup and make format FFS.
for doing this you must assemble cable with second MCU pinout

ignition for second mcu is pwr boton? because i get a error ..... and my phone start up when i put pwr boton

this is my error : warning: optional information is not found,
if phone works well just ignore this warning
detect device identification#2 finished
sim-lock status: unknown
Check firmware integrity Done
Check firmware content...
Check firmware content Done
Backup required data...
flash: 01227E221A2201:18E59F00000000
Backup required data Done
Patch required data...
Patch required data Done
Special operation...
Special operation Done
Write...
Write Done
Finalization...
formatting...
flash: 01227E221A2201:18E59F00000000
error: wrong erase first sector at 0x00600000
Finalization Fail
Finished, time used: 17 sec
Remove/Install battery now !

and when the phone start appears ''write psn''

hello!

please next time post full log, not only that part that You think is important.
also, what cable do you use?

i use pin finder......

9rx,10 tx for second mcu

and 7rx,8tx for second mcu

hello!

and may i see FULL log with this error?