Based on thousands of successful flashes reported on forums (XDA, Hovatek, GSM-Forum), the most SP Flash Tool versions for MT67xx are:
The MT67xx family includes highly popular processors such as the MT6735, MT6737, MT6750, MT6753, MT6762 (Helio P22), MT6765 (Helio P35), and MT6785 (Helio G90T).
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