I'm worried that I won't be able to recover my rewards after the season updates.

Galvan1c​ If you bought the Battle Pass from the Apex Legends Official Store, you must log into the game through the EA App in order to activate the Battle Pass across all your connected platforms.

If you had bought the Battle Pass on/from the EA App, Steam, Epic, etc., you must log into the game through the platform the Battle Pass was purchased on in order to activate the Battle Pass across all your connected platforms.

I’ve unlocked the Battle Pass for Part 1 before the update, but the system did not distribute my items. The game showed the normal reward distribution interface, but I never actually received the items. I initially thought it was just a usual delivery delay, but I still haven’t received them yet.

Galvan1c​ Sadly, if the pass was bought, (but wasn't activated yet), I don't think there is a way to still get the items since the split had ended, so I suggest contacting EA Support.

• EA Help | How to Find Your Missing EA In-Game Content
• EA Help | Contact EA