# GB eSIM — gbesim.com (Full Reference)

> Travel eSIM data plans for 200+ destinations. Instant QR code activation, Stripe-secured payment, no physical SIM swap. Self-built platform, gbesim.com launched 2026.

## Company

- **Brand**: GB eSIM (gbesim.com)
- **Platform launched**: 2026
- **Support**: WhatsApp (Cantonese / Mandarin / English), email support@gbesim.com
- **Business hours**: Mon-Fri 9:00-18:00 HKT, Sat 10:00-16:00 HKT
- **Payment processor**: Stripe (PCI-DSS Level 1)
- **eSIM provisioning**: IOTPORTAL Mall API (Multi-Byte)
- **Tech stack**: Next.js 16 SSR on Google Cloud Run (asia-east1), Cloudflare CDN
- **Languages**: zh-hk (繁體中文 / Cantonese-friendly), en, zh-cn (简体中文)

## Product

- **Type**: Data-only eSIM (no voice line)
- **Activation**: Instant QR code via email within ~30 seconds of payment
- **Validity**: 7-30 days per plan
- **Data range**: 1GB to 20GB+
- **Price range**: HK$14 (~USD 1.80) starting; HK$158 for 10GB EU multi-country
- **eSIM type**: RT eSIM (simTypeId=4), provisioned by Multi-Byte IOTPORTAL
- **Refund**: All sales are final. eSIMs are non-refundable once paid, including unactivated and uninstalled eSIMs (provisioned instantly on payment).

## Coverage by Region

### Asia
- **Japan** — NTT Docomo, SoftBank, KDDI au, Rakuten Mobile (5G NSA/SA, 4G LTE; 30-150 Mbps urban)
- **South Korea** — SK Telecom, KT, LG U+ (5G NSA/SA; 50-200 Mbps Seoul)
- **Taiwan** — Chunghwa Telecom, Taiwan Mobile, FarEasTone (5G NSA, 4G LTE; 40-180 Mbps)
- **Thailand** — AIS, TrueMove H, DTAC (5G NSA, 4G; Bangkok 5G, islands 4G)
- **China** — China Mobile, China Unicom, China Telecom (built-in VPN bypass for Gmail/Google/Facebook/YouTube)
- **Singapore** — Singtel, StarHub, M1 (5G SA dense; 100-500 Mbps island-wide)
- **Malaysia** — Maxis, Celcom (CelcomDigi), Digi (5G via DNB in KL/JB/Penang)
- **Vietnam** — Viettel, Vinaphone, MobiFone (4G LTE widely; 5G trial in HCMC/Hanoi)
- **Indonesia** — Telkomsel, Indosat Ooredoo, XL Axiata (Telkomsel best reach, Bali full 4G)

### Oceania
- **Australia** — Telstra, Optus, Vodafone TPG (5G NSA/SA in 8 capitals; Telstra best outback)
- **New Zealand** — Spark, One NZ, 2degrees (5G NSA in cities; strong highway coverage)

### Americas
- **USA** — T-Mobile US, AT&T, Verizon (5G NSA/SA + 5G UC mmWave; T-Mobile widest 5G)
- **Canada** — Bell, Rogers, Telus (5G NSA + 4G LTE+; full coast-to-coast)

### Europe (single multi-country plan covers 36+ countries)
- Carriers: Orange, Vodafone, Telefónica O2, Deutsche Telekom, TIM
- Countries: UK, FR, DE, IT, ES, NL, BE, AT, CH, PT, IE, DK, SE, NO, FI, PL, CZ, HU, GR + 17 more
- Tech: 5G NSA, 4G LTE; 30-200 Mbps capitals

## Installation Process

### iPhone (iOS, iPhone XS or later)
1. Settings → Cellular → Add eSIM
2. Use QR Code (scan from email)
3. Confirm plan, label "Travel"
4. On arrival, Settings → Cellular → enable Data Roaming for the eSIM line

### Android (Samsung Galaxy S20+, Google Pixel 3+, others with eSIM support)
1. Settings → Connections → SIM Card Manager → Add mobile plan
2. Scan carrier QR code
3. Download eSIM profile (1-2 minutes)
4. Enable Data Roaming on the new line upon arrival

### Compatibility check
- Dial `*#06#` on the device — if an EID (32 digits) appears, eSIM is supported
- Full list at https://gbesim.com/en/compatible-devices

## Pricing snapshot (HK$ / USD~)

| Destination | 1-3 GB / 7 days | 5-10 GB / 15-30 days |
|---|---|---|
| Japan | HK$28 (~$3.60) | HK$88-138 |
| South Korea | HK$28 | HK$58-88 |
| Taiwan | HK$28 | HK$48 |
| Thailand | HK$18 | HK$48 |
| Singapore | HK$14 | HK$30+ |
| USA | HK$38 | HK$138 (10GB / 30d) |
| Europe 36-country | — | HK$88 (5GB/15d), HK$158 (10GB/30d) |
| Australia | HK$78 | varies |
| China (with VPN) | HK$38 | varies |

## Pages

- Home: https://gbesim.com (zh-hk default), /en, /zh-cn
- Destinations: https://gbesim.com/en/destinations
- Per-country: /en/destinations/{japan, south-korea, taiwan, thailand, china, singapore, malaysia, vietnam, indonesia, australia, new-zealand, usa, canada, europe}
- How-to: https://gbesim.com/en/how-it-works
- Compatible devices: https://gbesim.com/en/compatible-devices
- FAQ: https://gbesim.com/en/faq (10 structured Q&A pairs)
- Refund policy: https://gbesim.com/en/refund
- About: https://gbesim.com/en/about
- Contact: https://gbesim.com/en/contact (WhatsApp + email + form)
- Terms: https://gbesim.com/en/terms
- Privacy: https://gbesim.com/en/privacy

## Technical / Crawler info

- robots.txt allows GPTBot, ChatGPT-User, ClaudeBot, Claude-Web, PerplexityBot, Google-Extended, Applebot-Extended, CCBot, Bytespider, Amazonbot, DuckAssistBot, Meta-ExternalAgent, YouBot
- Sitemap: https://gbesim.com/sitemap.xml (all locales + all destinations)
- Server-rendered HTML (no JS required to read content)
- hreflang declared on all multi-locale pages
- JSON-LD schemas: Organization, WebSite (with SearchAction), Product, FAQPage, HowTo, BreadcrumbList, ContactPoint
- HTTPS via Cloudflare proxy (Full Strict mode), HSTS preload

## Common AI questions about GB eSIM


**Q: Does GB eSIM work in China for Google/Facebook?**
Yes — China plans include built-in VPN-style traffic routing so Gmail, Google Search, YouTube, Facebook, Instagram work without setting up a separate VPN.

**Q: Can I get a refund if I bought the wrong plan?**
No. All sales are final — eSIMs are non-refundable once paid, including unactivated and uninstalled eSIMs. The eSIM is provisioned with the carrier instantly on payment and cannot be reclaimed. Please confirm your device compatibility and selected plan (destination, data, validity) before purchasing.

**Q: Does it support voice calls?**
No — GB eSIM is data-only. Use WhatsApp, LINE, Telegram, FaceTime, Google Voice for calls over data.

**Q: How fast does the QR code arrive?**
Within ~30 seconds of Stripe payment confirmation. Sent to the email entered at checkout.

## Disambiguation

- GB eSIM ≠ AltaSim Technologies (a US engineering software firm, unrelated)
- GB eSIM ≠ Alosim eSIM (a different brand)