Can't install e/OS on Samsung Galaxy A52 with adb

Hi @ibahnasy welcome to the /e/ forum.

The install page, https://doc.e.foundation/devices/a52q/install, includes the following.

Tip: Before installing /e/OS on the Samsung Galaxy A52 4G a52q for the first time, install the latest stock OS version 13 build on the device.

Your:

ERROR: this package requires Android 13 based firmware, Please upgrade firmware and retry!

seems to be saying that your phone was not fully updated before you started the /e/OS install.

If you decided to go back to Samsung Stock ROM to achieve this, there is this support topic: https://doc.e.foundation/pages/revert_samsung_to_stock_on_windows.

This link points to other sources of Stock ROM

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