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Amazon.com: Cable for Sony Alpha a7R IV (Cable by BoxWave) - DirectSync - USB 3.0 A to USB 3.1 Type C, USB C Charge and Sync Cable for Sony Alpha a7R IV -
Lost the usb cable for a7r3, need to update firmware , please help: Sony Alpha Full Frame E-mount Talk Forum: Digital Photography Review
![In case you missed this news: Firmware Ver. 3.0 for α7R III and α7 III is coming in April! - sonyalpharumors In case you missed this news: Firmware Ver. 3.0 for α7R III and α7 III is coming in April! - sonyalpharumors](https://www.sonyalpharumors.com/wp-content/uploads/2017/11/A7rIII.jpg)
In case you missed this news: Firmware Ver. 3.0 for α7R III and α7 III is coming in April! - sonyalpharumors
![Sony released firmware update 3.10 for a7RII, a7R, a7S, a7II, a7 and a6000 mirrorless cameras : r/SonyAlpha Sony released firmware update 3.10 for a7RII, a7R, a7S, a7II, a7 and a6000 mirrorless cameras : r/SonyAlpha](https://external-preview.redd.it/FawiWyz8sCf01ItBQ2-nH85BPX9EnO-laCPP0GjCENM.jpg?auto=webp&s=047c4ea7fd8eac7eba19f42fe8be1001e1f747dc)