Using UPI in Singapore with eSIM: A Complete Guide

Yes, you can use UPI to pay at Singapore hawker centers and retail shops by scanning the SGQR code with apps like BHIM, PhonePe, or Google Pay. To make this work, you need a reliable data connection from a YatraSim eSIM while keeping your Indian SIM active in the background to receive bank-mandated OTPs via SMS.

Singapore has rapidly moved toward a cashless society, and for Indian travelers, the integration between India's UPI and Singapore's PayNow system is a game-changer. Whether you are grabbing a $5 Hainanese Chicken Rice at Maxwell Food Centre or buying souvenirs in Little India, your phone is now your primary wallet. However, the success of these transactions depends entirely on two factors: a stable internet connection and the ability to receive international SMS for authentication.

The Digital Payment Revolution at Hawker Centers

In the past, hawker centers were the last bastion of 'cash only' transactions in Singapore. Today, almost every stall features a colorful SGQR label. This single QR code replaces multiple payment terminals, accepting everything from local bank transfers to international digital wallets.

Through the linkage between the Monetary Authority of Singapore (MAS) and the Reserve Bank of India (RBI), users of major Indian UPI apps can now scan these SGQR codes. When you scan the code, the app converts the Singapore Dollar (SGD) amount into Indian Rupees (INR) at the prevailing exchange rate, allowing you to pay directly from your Indian bank account. This eliminates the need to carry large amounts of cash or pay the high currency conversion fees associated with credit cards.

Why You Need an eSIM for UPI Success

While Changi Airport offers free Wi-Fi, it is often unreliable once you move into the city or enter the basement levels of shopping malls. For UPI to function, your app needs to communicate with your bank's servers in India instantly. A delay in data can lead to a 'Transaction Timed Out' error, which is the last thing you want when there is a long queue behind you at a busy food stall.

Choosing to see plans for a Singapore eSIM before you land ensures that you have 5G or 4G data the moment your plane touches down. Unlike physical SIM cards, which require you to find a kiosk and swap out your Indian SIM, an eSIM allows you to keep your Indian number active. This is crucial because UPI apps frequently require SMS pings or OTPs to verify transactions or re-register the app if it detects a change in network environment.

Network Coverage: M1, Singtel, and Starhub

Singapore is small but densely packed with high-rise buildings and deep underground MRT (Mass Rapid Transit) tunnels. Connectivity varies slightly between carriers:

• Singtel & M1: These are the leaders in 5G deployment. If you have a 5G-enabled device, you will experience lightning-fast speeds even in crowded areas like Orchard Road or Marina Bay. YatraSim provides access to both M1 and Singtel 5G networks, ensuring you are always on the fastest available band.
• Starhub: While Starhub offers excellent 4G coverage, its 5G footprint is slightly different. It remains a robust choice for tourists, especially in residential heartlands.

When you are deep inside a hawker center like Old Airport Road or Tiong Bahru, the signal can sometimes struggle with thick concrete walls. Having an eSIM that can switch between these top-tier networks ensures you aren't left stranded when trying to generate a payment confirmation.

Comparing YatraSim with Indian Roaming Packs

Many travelers consider using international roaming packs from Jio or Airtel. While convenient, these packs are often significantly more expensive and provide limited high-speed data. Once you exhaust your daily limit, speeds drop to a crawl, making digital payments nearly impossible.

Feature	Indian Carrier Roaming	YatraSim eSIM
Cost	High (Daily/Weekly packs)	Budget-friendly (Local rates)
Data Limit	Usually 1GB-2GB per day	Up to 50GB or Unlimited Daily
OTP Access	Included	Included (via your Indian SIM)
Setup	Automatic (but expensive)	Digital download in 2 minutes
Local Number	No	No (Data only)

By using YatraSim, you offload all your heavy data usage—Google Maps, Instagram uploads, and WhatsApp calls—to the cheap local eSIM. You keep your Indian SIM on 'Standby' mode. Since incoming SMS is usually free on most Indian roaming profiles, you receive your UPI OTPs without paying for an expensive data roaming pack.

How Much Data Do You Actually Need?

If you are visiting for a week, you might wonder which plan to choose.

1. The Light User (1GB - 3GB): Best for those who only use their phone for UPI payments, occasional Google Maps, and WhatsApp messaging.
2. The Power User (10GB - 20GB): Ideal if you are visiting Universal Studios Singapore or spending a day at Sentosa Island and Adventure Cove Trip. These areas are highly photogenic, and you will likely be uploading videos or using the park's app for wait times.
3. The Student/Long-Termer (50GB): If you are in Singapore for a month, a 50GB plan ensures you never have to look for public Wi-Fi, which can be a security risk for banking apps.

Remember that our plans are "data only," meaning they do not come with a local Singaporean phone number. You can still make calls via WhatsApp, Telegram, or Skype using the data provided.

Step-by-Step: Setting Up Your eSIM for Payments

Before you fly, check your phone compatibility to ensure your device supports eSIM technology. Most iPhones (XR and later) and modern Android flagships (Samsung S-series, Pixel) are ready.

For iPhone Users:

1. Go to Settings > Cellular > Add eSIM.
2. Scan the QR code provided by YatraSim.
3. Label the new plan as "Travel" and your Indian SIM as "Primary".
4. Set Cellular Data to the Travel eSIM.
5. Ensure Default Voice Line is set to Primary (to keep receiving those OTPs).

For Android Users:

1. Go to Settings > Connections > SIM Card Manager.
2. Select Add Mobile Plan > Scan Carrier QR Code.
3. Once activated, set the eSIM as the preferred SIM for Mobile Data.
4. Keep the Indian SIM enabled for Calls and SMS.

For a more detailed walkthrough, you can read our guide on how to install an eSIM.

Practical Tips for Hawker Center Payments

• Look for the SGQR Label: It is usually a square sticker with several logos (PayNow, NETS, GrabPay). The UPI apps work primarily through the PayNow integration.
• Check the Exchange Rate: The UPI app will show you the exact INR amount before you swipe to pay. It is usually much better than what you would get at a currency exchange booth.
• Keep a Backup: While UPI is widely accepted, a few older stalls may still prefer cash. Always keep $10-$20 in your pocket for emergencies.
• Avoid Public Wi-Fi for Banking: Always use your YatraSim data when performing financial transactions. Public Wi-Fi at food centers can be intercepted by malicious actors.

If you are traveling with family, you might want to see plans that offer higher data caps, as kids often use hotspots to stay entertained during long commutes on the MRT. For more family-specific advice, check our guide on Best Data for Families.

The bottom line

Using UPI at Singapore hawker centers is the most efficient way for Indian travelers to manage their expenses. By pairing your existing UPI apps with a YatraSim eSIM, you bypass the high costs of international roaming while maintaining the connectivity needed for secure bank authentication. It is faster, cheaper, and more secure than carrying piles of cash through the streets of Singapore.