Part 1 of 2 Shimano EP8 Unlock – How to Upgrade AliExpress EU Motor to 20 mph (Step-by-Step Setup)
Автор: Canooga Combs
Загружено: 2025-11-24
Просмотров: 52
If you bought a Shimano EP8 motor from AliExpress and discovered it’s locked to 15 mph (EU limit), this video shows exactly how I upgraded mine to the U.S. 20 mph speed limit using the Etuning Android app.
This is Part 1 of 2 — we’ll focus on installing and configuring the EU firmware (4.0.2) on your Android phone, preparing it for the actual motor firmware upload in Part 2.
⚙️ You’ll learn:
How to download and install Etuning safely on Android
How to roll back from version 4.1.8 to 4.0.2
How to disable Play Protect so the APK can install
How to locate and replace firmware files in your phone’s internal storage
How to get your system ready for the final flash to the Shimano EP8 motor
⚠️ Disclaimer: This tutorial is for educational purposes only. Changing regional firmware may void your warranty or violate local e-bike speed laws. Proceed at your own risk.
🕒 Chapters
00:00 – Intro: Why your AliExpress Shimano EP8 is speed-limited
00:34 – Overview of the two-part process
00:56 – Warnings & disclaimers
01:10 – Required software and Android setup (Samsung S10, Android 12)
02:07 – Downloading the Etuning APK
03:48 – “File may be harmful” message explained
04:06 – How to disable Play Protect in Google Play Store
05:00 – Installing the Etuning APK successfully
05:37 – Checking region settings & avoiding auto-update traps
06:39 – Connecting Android phone to your laptop
07:22 – Deleting old firmware files
07:55 – Downloading the correct EP8 4.0.2 firmware
08:31 – Extracting and copying the new firmware files
09:16 – Verifying files & preparing for installation
09:21 – Next steps → Part 2: Installing firmware on the motor
09:38 – Wrap-up & closing thoughts
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