do you install MIUI7 v5.8.20 then MIUI7 v5.11.5 or do i have to install the all previous OTA from V5.8.27 to V5.10.29 cause when i install ota v5.9.26 my phone shows a message please insert sim card and only show one sim instead of 2 so im stuck at v5.9.17 please help me