MT6735__symphony__Helio_S1__Helio_S1__5.1__Helio_S1_XXX_V20 Unknown July 13, 2017 0 MT6735__symphony__Helio_S1__Helio_S1__5.1__Helio_S1_XXX_V20 SYMPHONY Helio S1 FLASH FILE MT6735 5.1 2ND UPDATE Helio S1 FIRMWARE 10... Read more »