Stay away from random repack downloads unless they are from a trusted XDA thread. I've seen some that mess up the EFS partition, which can kill your signal. Final Verdict
Always prefer the latest official build from twrp.me . If you must repack, ensure you have a full device backup and a way to restore via fastboot ( .img flash). twrp 3020 zip download repack
If the repack you downloaded doesn’t match a community-posted checksum, . Stay away from random repack downloads unless they