Author
Roc Chow
Founder, YonoSIM
Founder of YonoSIM. Has personally travelled with eSIMs across Japan, Korea, China, the US, Canada, the UK and Thailand. Writes about mobile connectivity for travellers who don't want roaming fees.
Areas of expertise
- Travel eSIMs
- International roaming
- iOS + Android dual-SIM setup
- Cross-border connectivity (USA–Canada, Japan–Korea–China)
Latest guides by Roc Chow
517 guides, newest first.
- Best eSIM for International Travel 2026: Buy Regional, Not Global (10 GB for US$10.99 vs US$63.99)· 2026-11-04
- What Is an eSIM and How Does It Work? The 2026 Explainer, From Chip to QR Code· 2026-11-03
- Is My Phone Carrier-Locked? How to Check Before You Buy a Travel eSIM (2026)· 2026-11-03
- How Much Data Do I Need for Travel? Per-App Usage Table and Plan Sizes by Trip Length (2026)· 2026-11-03
- How to Check Data Usage on iPhone and Android (2026): Current Period, Per App, Per SIM· 2026-11-03
- What Does Airplane Mode Do? Wi-Fi, Bluetooth, Roaming and Your Travel eSIM on a Flight (2026)· 2026-11-03
- Can You Use a Travel eSIM as a Hotspot? iPhone and Android Tethering, Provider Caps Compared (2026)· 2026-11-03
- What Is an SM-DP+ Address? Where to Find It for Your eSIM (2026)· 2026-11-03
- What Is an EID Number? How to Find Your Phone's eSIM ID (2026)· 2026-11-03
- What Is an IMEI Number? IMEI vs EID vs ICCID Explained (2026)· 2026-11-03
- What Is an ICCID Number? Find It on a SIM Card, iPhone or eSIM (2026)· 2026-11-03
- Is My Phone eSIM Compatible? 3 Checks in Settings That Take a Minute (2026)· 2026-11-03
- eSIM Affiliate Programs Compared (2026): Rates, Cookies, and Which Ones Pay When Your Followers Use a Code· 2026-10-15
- 留学中の携帯はどうする？ 解約・番号保管・維持の3択を決める（2026年版）· 2026-09-28
- 番号保管を留学で使うと何が止まるのか — docomo・au・SoftBank・サブブランド別の確認項目（2026年版）· 2026-09-28
- オーストラリア留学・ワーホリの携帯 — 到着直後から現地プランまでの手順（2026年版）· 2026-09-28
- Korea e-Arrival Card 2026: A K-ETA Exempts You — Being Visa-Free Does Not· 2026-09-21
- Suica 綁 Apple Wallet 儲值失敗？海外 Visa 卡一定被擋（台灣／香港 2026）· 2026-09-20
- T-money on iPhone 2026: Your Visa Won't Top Up Apple Wallet — Here's What Does· 2026-09-20
- eSIM for Europe's Micro-States 2026: Where Your EU SIM Stops Working· 2026-09-10
- Best eSIM for Slovenia 2026: Signal Holds to 1,800 m, Then It Doesn't· 2026-09-10
- Best eSIM for Slovakia 2026: Orange for the Tatras, Nothing Above the Ridge· 2026-09-10
- eSIM for Ukraine 2026: All Three Networks, Because One Can Go Dark· 2026-09-09
- Best eSIM for Denmark 2026: TDC 5G — and Why It Won't Cover Greenland or the Faroes· 2026-09-05
- Best eSIM for Pakistan 2026: Don't Let PTA Block Your Phone at 60 Days· 2026-09-05
- Best eSIM for Bangladesh 2026: NEIR Is Live and Your Handset Has 30 Days· 2026-09-05
- Best eSIM for Malta 2026: Why British Visitors Still Pay to Roam· 2026-09-05
- Best eSIM for Sweden 2026: Telia for Kiruna, Abisko & the Ice Hotel· 2026-09-05
- Best eSIM for Kazakhstan 2026: Skip the Biometric SIM Registration· 2026-09-05
- Best eSIM for Uzbekistan 2026: No Passport Scan, No UzIMEI Clock· 2026-09-05
Showing 30 of 517. See all guides.