How to Redeem Blue Protocol: Star Resonance Codes
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Blue Protocol: Star Resonance is published by A Plus Japan. This guide covers how to redeem Blue Protocol: Star Resonance codes: where to enter them, each step, where the rewards go and what to do when a code fails. RallyCodes currently lists 6 working Blue Protocol: Star Resonance codes.
Where to redeem Blue Protocol: Star Resonance codes
🎮 Redeem in-game
Blue Protocol: Star Resonance codes are redeemed right inside the game — no website needed.
Requirements: our sources mention no level requirement — just make sure you are signed in to the account you play on.
How to redeem Blue Protocol: Star Resonance codes, step by step
- 1Step 1: Tap the diamond button in the top-right corner.
- 2Step 2: Open Settings (gear icon) → User Centre (house icon).
- 3Step 3: Select Redeem Code, enter the code and tap Redeem.
- 4Step 4: Open your mailbox and claim the [Reward] Redeem Code message.
Where do Blue Protocol: Star Resonance code rewards go?
🎁 In-game mailbox. If nothing shows up, go back to the main screen and check again in a few minutes.
Blue Protocol: Star Resonance code not working? Here is why
| Error / situation | Cause | Fix |
|---|---|---|
| Invalid code / code does not exist | A typo, wrong upper/lower case, or an extra space. | Tap Copy on RallyCodes and paste the code instead of typing it. |
| Code expired / fully claimed | Codes have an expiry date or a limited number of uses. | Try a newer code from the Blue Protocol: Star Resonance code list, and tap 👎 to warn other players. |
| Code already used | Most codes work only once per account. | Move on to a code you have not used yet. |
Latest Blue Protocol: Star Resonance codes & official channels
A few Blue Protocol: Star Resonance codes that still work (tap to copy them on the code page):
🎁 See & copy every Blue Protocol: Star Resonance codeView codes ›Information checked on Oct 17, 2026. Sources: Pocket Gamer (2026-10-03).