Dual SIM Phones: How to Use Two Numbers (Vancouver Guide)

Most recent iPhones and many Android phones can hold two phone numbers at once, using a physical SIM plus an eSIM, or two eSIMs. Once it’s set up, you choose which number handles calls, texts and data, and you can label each line so you always know which one you’re using.

Why people in Vancouver use two numbers on one phone

Carrying one phone with two numbers is a lot easier than juggling two handsets. Common reasons include:

• Work and personal lines. Keep a business number for clients and a personal number for friends, without a second device in your pocket.
• Students and newcomers. Keep your number from home active for banking codes and family, while using a local Canadian number day to day.
• Visitors. Add a local SIM or eSIM for data while you’re in Vancouver, and keep your home number reachable for messages.
• Coverage backup. Some people keep a second plan on a different network for places where their main provider is weak.

Physical SIM, eSIM or both: what your phone supports

“Dual SIM” can mean different things depending on the phone:

• Physical SIM + eSIM. The most common setup on iPhones from the iPhone XS and XR onward, and on many recent Samsung Galaxy and Google Pixel phones.
• Two eSIMs active at once. Supported on iPhone 13 and later, and on some recent Android phones.
• Two physical SIM slots. Found on some Android phones, often models sold outside North America.

Some recent phones are eSIM-only in certain countries, and a phone bought abroad may be set up differently from the Canadian version. The easiest way to be sure is to look up your exact model number on the maker’s specifications page, or check the SIM tray and the eSIM option in Settings. Our eSIM vs physical SIM guide explains the difference in more detail.

Before you start: make sure the phone is unlocked

If your two numbers are with different providers, the phone has to be carrier unlocked. A locked phone may refuse the second SIM or show a “SIM not supported” message. Under the CRTC’s Wireless Code, which has applied since December 1, 2017, providers it covers must sell new phones unlocked and unlock existing phones on request at no charge. Phones bought before then, bought abroad or bought second-hand may still be locked.

You can test it yourself with our guide on how to check if your phone is unlocked, or ask your provider directly.

Unlocking here means carrier unlocking only. If a phone is stuck on Activation Lock, Google account verification or a lost/stolen block, that has to be resolved with the original owner or the provider — not worked around.

How to set up dual SIM on an iPhone

1. Insert your physical SIM (if you’re using one) and confirm it works.
2. Go to Settings > Cellular and tap Add eSIM (on some versions it appears as Add Cellular Plan). Follow the prompts to scan your provider’s QR code, use their app, or transfer a line.
3. When asked, give each line a label such as “Personal” and “Work”, or “Canada” and “Home”. You can rename them later under Settings > Cellular by tapping the line.
4. Choose a default line. iOS asks which number to use for calls and messages to contacts it doesn’t recognise, and which line to use for mobile data.
5. Decide on Allow Cellular Data Switching. When it’s on, your iPhone can use the other line’s data during calls or poor coverage. Leave it off if your second plan has limited or expensive data.

iMessage and FaceTime can be tied to either number. Check under Settings > Messages > Send & Receive (and the same section in FaceTime) that the numbers you want are ticked.

How to set up dual SIM on Android

Menu names vary by brand and software version, but the steps are similar:

• Samsung Galaxy: open Settings > Connections > SIM manager. Add an eSIM from there, then set your preferred SIM for calls, messages and mobile data.
• Google Pixel: open Settings > Network & internet > SIMs, tap to add a SIM, then pick defaults for calls, SMS and data.
• Other brands: in Settings, search for “SIM” and look for a SIM manager or dual SIM section.

Most Android phones let you rename each SIM and assign it a colour, which then shows up in your dialler and messages. If you’d rather choose every time, you can set calls to “Ask every time” so the phone prompts you before dialling.

Daily use: calls, texts, data and contacts

Calls and voicemail

Most phones use what’s called Dual SIM Dual Standby: both numbers can receive calls, but only one line can be on a call at a time. While you’re talking on one number, a call to the other may go straight to voicemail. Some providers support Wi-Fi Calling, which can help the other line stay reachable — check with each provider. Set up voicemail separately on both numbers.

Assigning lines to contacts

On iPhone you can open a contact and choose which line to use for them by default. On many Android phones you can set a preferred SIM per contact too. This saves you from accidentally calling a client from your personal number, or family overseas from your local one.

Mobile data

Only one line handles mobile data at a time. Choose the plan with the better data allowance as your data line, and keep an eye on usage for the first few days. If you’re visiting Vancouver with a home SIM still installed, turn off data roaming on that line so you don’t run up charges by mistake.

Two-factor codes

If your bank or apps send verification codes by text to your home number, keep that line active (or at least able to receive SMS). Letting it lapse can lock you out of accounts later.

Common dual SIM problems and quick fixes

• Second SIM shows “No Service” or “SIM not supported”: the phone may be carrier locked, or the SIM may not be activated yet. Contact the provider to confirm activation.
• eSIM won’t download: make sure you’re on stable Wi-Fi, restart the phone and try again. Some eSIM QR codes can only be used once, so ask the provider for a new one if it fails repeatedly.
• Calls come from the wrong number: check the default voice line and any contact-level line preferences.
• Battery drains faster: two active lines can use a little more power, especially in weak-signal areas. If you only need the second number occasionally, you can turn that line off in Settings and turn it back on when you need it.
• Physical SIM not detected at all: see our SIM card not detected guide for tray, card and settings checks.

Need help with SIMs in Downtown Vancouver?

If you’d like a hand getting a second number working, MyChoice Mobile Repair is a kiosk in Downtown Vancouver on Granville Street, open every day from 9 AM to midnight. We sell SIM cards, offer phone unlocking, and can take a look if your SIM tray or slot is acting up. Call (236) 785-8300 to check your model, or ask for a quote.