Samsung SM-J730K firmware update — January 2021 security patch. Build: J730KKKU4CUA1. Includes the latest Android security patches and system stability improvements. Flash using Samsung Odin3.
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Verification & Details
Package Name:
J730KKKU4CUA1
How to Flash Odin on Samsung Galaxy J7 (China (SK)) (China (SK)) (China (SK))
Please follow these steps carefully to install the J730KKKU4CUA1/J730KKTC4CUA1/J730KKKU4CUA1 update safely. Ensure your device has at least 60% battery.
Download the J730KKKU4CUA1/J730KKTC4CUA1/J730KKKU4CUA1 Recovery ROM (.zip file).
Transfer the file to the internal storage root directory of your Samsung Galaxy J7 (China (SK)) (China (SK)) (China (SK)).
Navigate to Settings > About Phone > System Update.
Tap the OS logo 10 times to enable advanced features.
Tap the top-right menu icon and select 'Choose update package'.
Select the downloaded zip file and wait for the automated installation to complete.
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