The Step-by-Step eSIM Setup Every Traveler Needs Before Flying
Prepare the profile before your flight, then select the right data line when ready to connect.This is a hands-on setup checklist for AloOui travel data eSIMs. Keep the order instructions nearby: number-enabled products and device menus can have different steps.
Choose coverage before installation
Europe+ 5GB/30 days is USD12.90. Check every destination, the exact device and the duration before buying.
Compare Europe+ plansThree buying examples
Balanced daily use
Europe+ Essential · USD28.55 · 7 days. 1GB high-speed daily, then up to 1.25Mbps for that day's remainder.
Buy EssentialData-heavy USA trip
USA Unlimited Premium · USD80 · 10 days. 60GB high-speed for the whole plan, then unlimited data up to 2Mbps until expiry. No daily reset.
Buy USA PremiumPrices may change. Always check the product page for the latest prices before purchasing.
Prices are in US dollars. Examples have different destinations and allowance structures.
Installation and connection are separate
Before the flight
Confirm compatibility, download the profile over stable Wi-Fi and prepare the settings. Keep the travel line off until ready to connect.
At a covered destination
Select the travel data line and follow its roaming settings. A supported network connection starts the travel data plan's validity.

Step 1: check the device and purchase
Confirm exact model, regional version, eSIM support and carrier-unlocked status. Check coverage for your departure, transit and final destinations. The names of continents do not guarantee every country is included.
Step 2: install on stable Wi-Fi
- Open the purchase email and read its installation instructions.
- On an iPhone, use Settings, Cellular or Mobile Data, then the available Add eSIM option. Menu names can vary.
- Scan the purchase QR code, or follow its alternative installation instructions when scanning is not possible.
- Give the line a clear label so you can distinguish it from the home SIM.
- Restart after downloading the profile and retain the profile.
Installing a day or two before departure can allow time for help, within the purchase's permitted setup conditions. It is not a mandatory window or a guaranteed two-minute process. Keep the QR code private, and do not assume reuse or transfer is available.
The following existing tutorial is for Android readers. Use the tutorial matching your device, not a different manufacturer's menu path.
Step 3: connect when ready to start validity
For AloOui travel data eSIMs, validity begins on a supported network connection in a covered destination, not installation alone. If your home or transit location is covered, connecting there can start the period before final arrival. Keep the line off until you are ready. Once started, do not expect switching it off to pause expiry.
Number-enabled products require their specific activation instructions. Do not automatically apply the travel-data rule to a UK-number package.
Step 4: select data and roaming carefully
When permitted, turn off airplane mode, switch on the travel line and select it for mobile data. Follow the order's data-roaming settings. Keep home-SIM data roaming off if you do not intend to use it, and disable automatic data switching where appropriate.
The original carrier's calls and SMS can still incur charges. Keeping the home SIM requires device support and does not guarantee verification messages or all services remain available.
Step 5: check data and APN
Try an available website or messaging app. If manual APN is required, enter the APN and credentials supplied for the exact purchase, save and select the setting. Do not automatically copy another product's APN.
For problems, check the chosen data line, roaming, coverage, remaining allowance and validity. Try airplane mode or a restart, and use automatic network selection unless instructed otherwise. Do not delete the eSIM while troubleshooting.
Country product links for your trip
Japan · Thailand · Singapore · Australia · Canada · France · USA · UAE · China · Israel · Saudi Arabia · UK.
Regional options for multiple stops
Compare Europe+ for its 36 destinations or Europe Extra for Serbia or Moldova. Asia has 13 destinations and Asia Long Trip adds Macau; neither includes Japan, mainland China or the Philippines.
Also review Americas, Africa, Africa Long Trip, Middle East and Middle East Long Trip against every stop. Borders do not reset duration or refill fixed data.
Allowances and backup preparation
Fixed pools are total data, not daily resets. Essential is balanced daily data. Plus and Premium are different structures; check the high-speed threshold and speed afterwards. Check hotspot support for the exact option. A larger allowance does not guarantee 5G everywhere or priority access.
Save tickets, accommodation addresses and meeting points offline. Confirm compatible top-up terms rather than assuming automatic extensions. Wi-Fi calling on your home number is a separate carrier/device feature, not something every data eSIM guarantees.

Also visiting the UK?
For a number, compare UK prepaid 5GB, UK prepaid 10GB or UK True Unlimited prepaid. Calls and SMS have package limits. The number is valid six months only, separate from data duration and the maximum six-month top-up window; verification by banks or apps is not guaranteed.
Compare separate UK & EU 5GB/14 days or UK & EU 10GB/30 days using their own 30-destination list and terms.
Support and shopping assistance
The Help Center offers human support 24/7, every day. Share order, exact model, location and errors. Use Shop with AI on AloOui's website or app to compare route, days and usage. Download AloOui from the App Store or Google Play for easier shopping. Check the selected option before checkout.
Follow AloOui
Instagram · Facebook · YouTube · TikTok · X · LinkedIn
Setup FAQs
What should I check before purchase?
Exact device support, unlock status, destination list and duration.
Must I install exactly 48 hours early?
No, it is a practical suggestion within the order's conditions.
Do I need an installation connection?
Use stable Wi-Fi or another suitable internet connection.
Does installing start travel data validity?
No, a supported connection in a covered destination starts it.
Can home or transit start it?
Yes, if covered and connected.
Does switching off pause expiry?
Do not expect it to pause a started plan.
Which line should provide data?
The purchased travel eSIM when ready to use it.
Should travel data roaming be on?
Follow the exact order's instructions.
What about home data roaming?
Keep it off if you do not intend to use it.
Which APN should I enter?
The values supplied for the exact purchase, saved and selected.
Is connection guaranteed in minutes?
No, registration and conditions vary.
Should I delete a failing profile?
Keep it and contact support first.
Does saving the QR guarantee reuse?
No.
Do borders reset data?
No.
Do UK-number products use the same activation rule?
Follow their own instructions.
Is Wi-Fi calling included automatically?
No, it depends on the relevant carrier and device.
Is every top-up an extension?
Check compatibility and terms.
Where can I get help?
AloOui provides 24/7 human support through the Help Center.
Prepare before flying, connect when ready
Keep the order instructions and offline arrival details available.
Compare Europe+ plans