How to remove speed limiter Chinese Electric Bicycle - Ancheer

Link to the $599 Ancheer - https://amzn.to/2CNdtaq (last price check 03/30/2020)
Link to the NEW $749 MODEL (500 watt) Ancheer - https://amzn.to/2x8OfBY
this one has Double battery Double motor

Other modes made by other brands and prices links below
Link to Kemanner $599 - https://amzn.to/2wIVMnK
Link to Merax $599 - https://amzn.to/2Py7uZc
Link to Unbrand $629 - https://amzn.to/2oG40sg