Arknights: Endfield WhatsApp Linking — Grab 100 Oroberyl With a Quick Account Connection

Arknights: Endfield is giving away 100 Oroberyl to anyone who connects a WhatsApp account to their game profile. That is roughly a single pull worth of premium currency, and the whole process takes less than two minutes. The promotion is active right now on the Asia, Americas, and Europe servers. Free-to-play players get the same reward as spenders, so there is no paywall here.

But there is a requirement you cannot skip. You need to have finished the Prologue and unlocked the in-game Mail feature before the reward shows up. Miss either condition and the 100 Oroberyl stays in the server’s pocket.

For more Arknights: Endfield guides and news, visit the game hub at GenshinBuilds.

What the reward looks like

• 100 Oroberyl delivered straight to your in-game mailbox
• The mail expires after 30 days if you do not claim it
• One reward per game account, no matter how many WhatsApp accounts you own

Who can take part

The event covers three server regions: Asia, Americas, and Europe. If your account lives on one of those shards and you have cleared the Prologue, you are eligible. The Mail feature unlocks naturally as you progress through the early story, so most active players should already have access.

Players who have already linked a WhatsApp account to their game account cannot claim a second reward. The system allows one link per game account, full stop.

How to link your account step by step

Start at the official WhatsApp linking page that Gryphline set up for this event:

https://endfield.gryphline.com/special/whatsapp-bind?source_from=official

From there, the process takes four steps:

1. Log in with your Gryphline account credentials.
2. Pick the Arknights: Endfield character you want to bind the reward to.
3. Authorize the connection when WhatsApp asks for permission.
4. Confirm the link on the confirmation screen.

The Oroberyl should land in your in-game mail a few minutes after the link goes through. Open the mail and claim it before the 30-day timer runs out. If the mail expires, the currency disappears with no way to recover it.

How to unlink if you need to switch

Maybe you linked the wrong WhatsApp account, or you want to move to a different phone number. Unlinking is simple. Go back to the same WhatsApp account linking page, click the button labeled [Unlink Account], and confirm your choice.

After unlinking, you can link a different WhatsApp account right away. But there is a 30-day cooldown between unlink actions. If you unlink today, the next unlink cannot happen until 30 calendar days have passed. Plan ahead if you think you might need to swap again.

Common problems and what to do about them

Reward did not arrive. Double-check that you are logged into the correct Gryphline character. The reward is tied to the character you selected during the linking process, not to your account as a whole. Switch characters in-game and check the mail again.

WhatsApp denied the authorization. Make sure the phone number you are using is actually registered with WhatsApp. Also confirm that your device has an active internet connection during the linking flow. A weak signal can break the handshake.

Mail expired before you claimed it. Once the 30-day window closes, the reward is gone. There is no way to get it back. Set a phone reminder if you tend to let mail sit.

Frequently asked questions

Can I link a new WhatsApp account right after unlinking?
You can link a different account immediately after unlinking. But the 30-day cooldown applies to the next unlink action, not to the link itself.

What happens if my WhatsApp is already linked to another game account?
You must unlink it from that account first. The system will not let one WhatsApp account serve two game accounts at the same time.

Is this reward only for paying players?
No. Free-to-play accounts receive the same 100 Oroberyl with no spending requirement attached.

What to do with the free currency

One hundred Oroberyl is not a huge amount, but it is free and takes almost no effort to claim. You can save it for an upcoming banner or spend it on stamina refills if you need to farm materials right now. Either way, the linking process takes less than two minutes, and the reward is yours to keep as long as you claim the mail in time.

Keep an eye on official Arknights: Endfield channels in case Gryphline extends or changes this promotion. The linking page URL may also update with future events.