The Oppo Reno 15 Pro is treated in this guide as the eSIM-capable ColorOS 16 model sold in markets where OPPO enables eSIM. Some regional or carrier variants may show a physical SIM-only configuration, so check that your phone shows an eSIM option before you buy or install a travel plan.
For travelers, installing an iRoamly travel eSIM before departure can keep airport arrival simpler: the profile is already on the phone, and you only need to choose it for mobile data when you reach your destination. The most likely ColorOS 16 path is Settings > Mobile network > eSIM > Add eSIM, with small wording changes possible by software version.
This guide covers both setup routes: scanning the iRoamly QR code and entering the activation details manually. The manual route is useful when the QR code is on the same phone, the camera cannot scan it, or the setup page asks for typed activation information.
Before You Set Up Your iRoamly eSIM
Connect the Oppo Reno 15 Pro to stable Wi-Fi before starting the download.
Confirm that your phone is unlocked and that Settings > Mobile network shows an eSIM option. If eSIM or Add eSIM is missing, the region, carrier firmware, or model variant may not support eSIM.
Keep your iRoamly QR code and manual activation details ready. For Android/ColorOS manual setup, the phone may request an SM-DP+ Address, an Activation Code, and sometimes a Confirmation Code; if your screen instead asks for one activation-code string, copy the full code exactly as iRoamly provides it.
Install the iRoamly eSIM about 1-2 days before travel when the plan rules allow it, but check your plan details first. iRoamly plan validity starts from activation, and the activation trigger can vary by destination plan.
Do not delete the eSIM after installation unless iRoamly support tells you to. Many travel eSIM profiles cannot simply be reinstalled after removal.
iRoamly eSIM plans may be data-only. Voice calls and SMS vary by plan, so check the plan page before relying on either service.
Method 1: Install eSIM by Scanning a QR Code
Open Settings on the Oppo Reno 15 Pro, then tap Mobile network.
You should see the ColorOS mobile network page with SIM and eSIM management options.
Tap eSIM.
The phone should open the eSIM management page. If this option is missing, see the troubleshooting section before continuing.
Tap Add eSIM.
ColorOS should start the eSIM setup flow and prepare the QR code scanner.
Choose Scan QR code, then point the camera at the iRoamly QR code from your purchase email or account page.
Keep the QR code flat and bright on another screen or printed page. Do not use a QR code that has already been installed on another device.
Review the detected iRoamly eSIM profile, then tap Download or Add.
Wait on Wi-Fi until the phone finishes downloading the eSIM profile.
When ColorOS shows the setup complete screen, tap Done.
The iRoamly eSIM should now appear in the phone's eSIM list, usually as a new mobile plan that you can rename for travel.
Method 2: Install eSIM Manually
Open Settings, tap Mobile network, then tap eSIM.
This is the same ColorOS path used for QR setup, but you will enter the iRoamly details instead of scanning.
Tap Add eSIM.
ColorOS should show the eSIM setup options or open the QR scanning screen.
Tap Enter details manually or Enter activation code.
If the manual option is hidden behind the QR scanner, look for a help link, overflow menu, or text button near the bottom of the scanning screen.
Enter the SM-DP+ Address and Activation Code from iRoamly, then enter the Confirmation Code only if iRoamly provided one.
Copy every character exactly. Do not add spaces before or after the address or code.
Tap Continue, then tap Download or Add when ColorOS finds the iRoamly eSIM profile.
Stay connected to Wi-Fi until the download finishes.
Tap Done after the eSIM has been added.
The manual setup is complete when the new iRoamly profile appears in the eSIM list.
How to Confirm Your iRoamly eSIM Is Installed
Go to Settings > Mobile network > eSIM.
Look for the new iRoamly travel eSIM profile in the eSIM list. It may show as a carrier name, travel plan name, or a label you can rename.
Tap the new eSIM profile and confirm the line is switched on.
The profile page should show an enabled eSIM toggle or active status. Voice and SMS checks only apply if your specific iRoamly plan includes those services.
Configure eSIM for Mobile Data
Open Settings > Mobile network, then tap Mobile data or Default mobile data.
Choose the iRoamly eSIM as the data line when you are ready to use the travel plan.
Tap the iRoamly eSIM profile, then turn on Data roaming if your iRoamly destination instructions require it.
Most travel eSIM plans need roaming enabled because they connect through partner networks outside your home carrier.
Turn off automatic data switching if ColorOS offers that setting and you want to avoid using your primary SIM for travel data.
After arriving, open a browser or map app to confirm that mobile data works on the iRoamly line.
Troubleshooting
Add eSIM is missing: confirm the phone is an eSIM-capable Oppo Reno 15 Pro variant, update ColorOS, restart the phone, and check with the carrier or seller. Some regional firmware builds may hide eSIM.
QR code will not scan: increase screen brightness, clean the camera lens, use another device to display the QR code, or switch to manual entry.
QR code already used: contact iRoamly support. Do not delete the installed eSIM while trying to fix it, because many eSIM QR codes are single-use.
Manual entry fails: check the SM-DP+ Address, Activation Code, and optional Confirmation Code against your iRoamly order details. If your screen asks for a single activation-code string, paste the full string exactly as supplied.
Activation is pending: keep Wi-Fi on, wait a few minutes, then restart the phone if the profile remains stuck. Some plans finish activation only after the phone reaches a supported destination network.
No data after installation: select the iRoamly eSIM for mobile data, turn on data roaming for that eSIM, disable unwanted switching to the primary SIM, and check that your destination is covered by the plan.
The eSIM appears but there is no signal: verify that you are in the covered country or region, turn airplane mode on and off, then manually choose a supported network if iRoamly lists one for your plan.
Conclusion
Your iRoamly eSIM is now installed on your Oppo Reno 15 Pro and ready to be used during your next trip. When your destination plan becomes active, simply select the eSIM for mobile data and connect to a supported network to start using the internet for your everyday travel needs.
Whether you're checking maps, managing reservations, communicating with friends, or finding local transportation, having your travel connection prepared in advance allows you to spend less time on setup and more time enjoying your journey.