Mecool KM1, KM3, KM9 Upgrade Secretsbr br Welcome back to MBOX Frustrated User Guide. Mecool KM1, KM3, KM9 Upgrade Secrets, published April, 2021, shows how to give an old Mecool KM Series TV box up-to-date functionality. complete with Android 10 and all the latest bells and whistles!br br Other episodes in the MBOX Frustrated User Guide series:br Episode 1 - MBOX WiFi Problems, Parts 1 and 2br Episode 2 - MXQ Clock Problemsbr Episode 3 - Making Do with MXQbr Episode 4 - MXQ Upgrade Secrets, Parts 1, 2, 3, and MXQ Spring 2021 Upgrade Secrets br Episode 5 - MXQ Pro 4K Upgrade Secretsbr Episode 6 - MBOX Ultimate Upgrade GuideMecool M8S Pro Upgrade Secretsbr Episode 7 - Mecool KM9 Gets an F (as in FAKE!)br Episode 8 - The Tanix TX6-P Experience, Parts 1 and 2br Episode 9 - MBOX Audio Secrets, Parts 1 and 2br Episode 10 - MBOX Video Secretsbr Episode 11 - Mecool Remote Control Upgrade Secrets, Parts 1 and 2br Episode 12 - Mecool KM1, KM3, KM9 Upgrade Secretsbr br Other episodes in the MBOX Frustrated User Q&A series:br Episode 1 - Why Do Some Movies Play Without Sound?br Episode 2 - How Does MBOX File Browser Work?br Episode 3 - Picture but no sound.br br In a world of fake ads, fake news and fake reviews, let's hope this series makes a difference.