<h2>Samsung Made This Harder Than It Needs to Be</h2>
<p>I'll be blunt: setting up an eSIM on a Samsung phone is more confusing than on an iPhone. Not because the technology is different, but because Samsung has changed the menu paths across One UI versions, and some Galaxy models have eSIM quirks that Apple phones do not. This guide covers every currently supported model so you do not spend 20 minutes digging through settings menus in an airport.</p>
<h2>Which Samsung Phones Support eSIM?</h2>
<p>Not every Galaxy has eSIM. Here is the complete list as of 2026:</p>
<p><strong>Galaxy S Series:</strong> S20, S20+, S20 Ultra, S20 FE 5G, S21, S21+, S21 Ultra, S21 FE, S22, S22+, S22 Ultra, S23, S23+, S23 Ultra, S23 FE, S24, S24+, S24 Ultra, S25, S25+, S25 Ultra</p>
<p><strong>Galaxy Z Series:</strong> Z Fold2, Z Fold3, Z Fold4, Z Fold5, Z Fold6, Z Flip, Z Flip 5G, Z Flip3, Z Flip4, Z Flip5, Z Flip6</p>
<p><strong>Galaxy Note:</strong> Note 20, Note 20 Ultra</p>
<p><strong>Galaxy A Series:</strong> A54 5G, A55 5G (varies by region — check your specific model)</p>
<p><strong>Important caveat:</strong> Some carrier-locked versions of these phones have eSIM disabled by the carrier. If you bought your Galaxy through a US carrier on a payment plan, it might be locked. Check Settings > About Phone > Status > SIM Lock Status. If it says "Network Locked," contact your carrier to unlock it before trying eSIM.</p>
<h2>Setup for Galaxy S24, S25, Z Fold5/6, Z Flip5/6 (One UI 6+)</h2>
<p>These are the newest Samsung phones running One UI 6 or later. The setup process is the cleanest:</p>
<ol> <li>Open <strong>Settings</strong></li> <li>Tap <strong>Connections</strong></li> <li>Tap <strong>SIM Manager</strong> (on older One UI, this might say "SIM Card Manager")</li> <li>Tap <strong>Add eSIM</strong></li> <li>Select <strong>Scan QR code from service provider</strong></li> <li>Point your camera at the QR code you received from your eSIM provider</li> <li>Your phone will download the eSIM profile — this takes 30 seconds to 2 minutes depending on your connection</li> <li>When prompted, give the eSIM a name like "Travel Data"</li> <li>Choose whether to enable it immediately or later</li> </ol>
<p>If the QR code scanning does not work (sometimes it is finicky in low light), tap "Enter activation code instead" and manually type the SM-DP+ address and activation code from your eSIM provider's email.</p>
<h2>Setup for Galaxy S21, S22, S23, Z Fold3/4, Z Flip3/4 (One UI 4-5)</h2>
<p>Slightly different path:</p>
<ol> <li>Open <strong>Settings</strong></li> <li>Tap <strong>Connections</strong></li> <li>Tap <strong>SIM Card Manager</strong></li> <li>Tap <strong>Add Mobile Plan</strong></li> <li>Tap <strong>Scan carrier QR code</strong></li> <li>Scan the QR code</li> <li>Follow the prompts to complete installation</li> </ol>
<p>On some One UI 4 devices, the option is buried under Connections > SIM Card Manager > Add Mobile Plan > Carrier. If you do not see "Add Mobile Plan" at all, your phone's eSIM might be carrier-disabled.</p>
<h2>Setup for Galaxy S20, Note 20, Z Fold2, Z Flip/Flip 5G (One UI 3)</h2>
<p>The oldest supported models have the least intuitive process:</p>
<ol> <li>Open <strong>Settings</strong></li> <li>Tap <strong>Connections</strong></li> <li>Tap <strong>SIM Card Manager</strong></li> <li>Tap <strong>Add Mobile Plan</strong></li> <li>If you do not see this option, tap the <strong>+</strong> icon next to the eSIM slot</li> <li>Select <strong>Scan QR code</strong> or <strong>Add using activation code</strong></li> </ol>
<p>Some Galaxy S20 carrier variants (particularly from Verizon and AT&T) had eSIM disabled at launch and received it via a software update later. If you are on an S20, make sure your software is fully updated: Settings > Software Update > Download and Install.</p>
<h2>After Installation: Setting Your Data Line</h2>
<p>This is the step most people miss, and it is why their eSIM "does not work."</p>
<p>After installing the eSIM, go to <strong>Settings > Connections > SIM Manager</strong>. You will see two SIMs listed: your physical SIM and the new eSIM. You need to configure which SIM handles what:</p>
<ul> <li><strong>Mobile data:</strong> Set this to your <strong>travel eSIM</strong></li> <li><strong>Calls:</strong> Set this to your <strong>physical SIM</strong> (your home number)</li> <li><strong>Text messages:</strong> Set this to your <strong>physical SIM</strong></li> </ul>
<p>Then — and this is critical — tap on the travel eSIM line and make sure <strong>Data Roaming</strong> is turned <strong>ON</strong>. Travel eSIMs need data roaming enabled to connect to local carrier networks. Your physical SIM's data roaming should stay OFF.</p>
<h2>Samsung-Specific Gotchas</h2>
<p><strong>"Allow Cellular Data Switching"</strong> — Samsung calls this "Switch mobile data temporarily." Turn it OFF. When this is on, your phone might silently use your physical SIM's expensive roaming data instead of your eSIM.</p>
<p><strong>Power saving mode:</strong> Samsung's aggressive power saving can restrict background data on your eSIM, causing apps to lose connection. If you experience intermittent drops, exclude your essential apps (Maps, WhatsApp, Uber) from power saving: Settings > Battery > Background Usage Limits.</p>
<p><strong>Galaxy Z Flip screen:</strong> You cannot scan QR codes through the cover screen camera. Use the main screen camera only.</p>
<p><strong>One UI 6 bug:</strong> Some S24 users reported that eSIM profiles disappear after a software update. If this happens, the profile is not actually deleted — restart your phone and check SIM Manager again. If it is truly gone, contact your eSIM provider for a new QR code.</p>
<h2>Quick Troubleshooting</h2>
<p>If your Samsung eSIM is not connecting after installation:</p>
<ol> <li>Toggle Airplane Mode on, wait 15 seconds, toggle off</li> <li>Verify Data Roaming is ON for the eSIM line specifically</li> <li>Check that Mobile Data is set to the eSIM line, not your physical SIM</li> <li>Try manual network selection: Settings > Connections > Mobile Networks > Network Operators > Search Networks</li> <li>Restart your phone</li> </ol>
<p>95% of Samsung eSIM issues are solved by steps 1-3. It is almost always a settings toggle, not a hardware problem.</p>