phpmyadmin has a max upload size of 50 MiB. we will guild you on how to increase this value on a cPanel server please kindly follow the below step:
- Login to WHM as root

- Go to Server Configuration » Tweak Settings

- Click on PHP tab

- Update the values `max upload size` and `max POST size` to the max file size you need. (Values higher than 2047MB are not permitted for max post size.)
- Don’t forget to update `max execution time` to a proper value (in seconds) according to your upload speed to avoid getting the upload process fails if it takes longer than the value already set in `max execution time`.
- Save
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