I installed the 6.12.22 and later, 6.12.29 and my LTE Band 4 worked perfectly on the Rogers (GSM Canada network with VoLTE), though VoLTE does not work.
Upgraded to 7.1.5 rom and lost LTE completely. Reflashed a redownloaded 7.1.5 and the same thing, no LTE. Reflashed 6.12.29 and LTE returned. Tried again 7.1.5 and still no LTE, only Hsp+ or 3g. Went back to 6.12.29 and everything works like before.
ROMs, Mods, Discussion and all other Topics about the Xiaomi Mi Mix (lithium).
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