Steps: Open ColdLar wallet-Click the upper right corner (…)-Settings-Amount Unit -Select coin-BTC-Satoshi), Shown from top to bottom, and from large units to small units. Select the smallest or uBTC.
Example: There is a total of 7 yuan and 38 cents. If you set the unit “Fen”, it will be: 7.38 Yuan; if you set the unit “Yuan”, it only shows 7 yuan.