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Unlimited Data in Japan, powered by KDDI x BambooSIMJapanUnlimited Data in Japan, powered by KDDI x BambooSIMJapanUnlimited Data in Japan, powered by KDDI x BambooSIMJapanUnlimited Data in Japan, powered by KDDI x BambooSIMJapanUnlimited Data in Japan, powered by KDDI x BambooSIMJapanUnlimited Data in Japan, powered by KDDI x BambooSIMJapanUnlimited Data in Japan, powered by KDDI x BambooSIMJapanUnlimited Data in Japan, powered by KDDI x BambooSIMJapan
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Support Centre Billing and Payments How do I redeem a gift voucher code?

How do I redeem a gift voucher code?

You can redeem a BambooSIM voucher code to credit your account balance.

Redeem a voucher code

  1. Open BambooSIM portal.
  2. Go to Manage > Billing > Gift Vouchers.
  3. In the Redeem section, enter your voucher code.
  4. Select Redeem code.

If successful, your account balance updates automatically.

Common reasons redemption fails

  • The code was typed incorrectly.
  • The voucher is already redeemed.
  • The voucher is expired.
  • The voucher code is invalid.

If you still cannot redeem a valid code, contact support and include:

  • Voucher code
  • Account email
  • Screenshot of the error (if available)
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