For just MYR 96, you can get Changi Mobile Tourist plan for the following:

Confirmation
A voucher/confirmation will be emailed once purchased is confirmed.
Important
- Present the voucher at Changi Recommends Counters (at Changi Airport T1 Departure Hall and Terminal 3 Departure Hall) to redeem the sim card
- Download Changi Go App or visit www.changimobile.com for more information
- Strictly non-refundable
How to Use
Present e-Voucher at one of the Changi Recommends counter in Singapore Changi Airport.
Terminal 1 – ARRIVAL HALL, LEVEL 1 (PUBLIC AREA)
Counter Operating Hours:
• T1A, T1B & T1C: 24 hours
• T1: 7am to 10pm (SG Time, UTC +8)


Terminal 2 - ARRIVAL HALL, LEVEL 1 (PUBLIC AREA)
Counter Operating Hours:
• T2A: 24 hours
Terminal 3 - ARRIVAL HALL, LEVEL 1 (PUBLIC AREA)
Counter Operating Hours:
• T3A: 24 hours
Terminal 4 - ARRIVAL HALL, LEVEL 1 (PUBLIC AREA)
Counter Operating Hours:
• T4: 24 hours
• T4A: 7am to 10pm (SG Time, UTC +8)
Terms and Conditions
- The company will not be responsible for any accidents, loss of property or damaged caused by individual negligence
- The e-ticket/e-voucher cannot be exchanged for cash or used on more than one occasion
- Any alteration(s) on the e-ticket/e-voucher will not be accepted
- Voucher/confirmation is valid for exchange within 60 days from the date of purchase. Once SIM card is redeemed/collected, voucher is considered as utilised.
- Please ensure mobile line subscriber is 16 years old or above.
Cancellation Policy:
- No refunds will be entertained for cancellations
- There will be no refunds even if included items are not utilised by the visitor
- In the event of late comers/no show, it would be considered as cancellation and no refund will be given