YESOUL M1, Product Manual

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Tip: If the resistance change is inconsistent with the resistance change in APP after the
resistant knob is turned, press the buttons A and B to correct it.
STEP 7: Battery Dismantling and Installation
Installation Guide
1. If the bike is provided with a battery, pull the insulation strip out of the gap of the battery cover
before using this product;
2. Battery replacement: Remove ST4×13 cross head tapping screws of the battery cover via the
L-type cross head hex wrench (A), open the battery cover, take out the old battery, and insert a
new battery into the battery slot, with its positive pole outward (“+” outward).