# V1.1.1 (單幣種)

V1.1.1 (單幣種) 固件版本，更新如下： 

1\. 二維碼格式升級。 

2\. 新增在 Keystone 硬件钱包設備內格式化 TF 卡的功能。 

3\. 支持配合 Sparrow Wallet 進行 PSBT 單簽。


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