Direct Search Hub
🔍 Quick Coverage Finder (Mainland China & Key Destinations)
🇨🇳 Supported Regions & Top Cities across Mainland China
Mainland China (中國內地) Beijing (北京) Shanghai (上海) Guangzhou (廣州) Shenzhen (深圳) Chengdu (成都) Hangzhou (杭州) Xi'an (西安) Chongqing (重慶) Wuhan (武漢) Nanjing (南京) Tianjin (天津) Xiamen (廈門) Suzhou (蘇州) Qingdao (青島) Changsha (長沙) Kunming (昆明)
Compatibility Guide
📱 Check if Your Phone Supports eSIM
⚡
Fast Dial Code (Universal)
Open your phone app and dial *#06#. If an "EID" barcode or 32-digit number appears, your device hardware supports eSIM!
🍏
Apple iPhone Verification
Go to
Settings → Cellular. If you see the option "Add eSIM" or "Add Cellular Plan", your iPhone is eSIM ready.
🤖
Samsung & Android Verification
Go to
Settings → Connections → SIM Manager. Look for "Add eSIM" or a [+] button to download a profile.⚠️ Important Device Notice: Your phone must be carrier-unlocked (SIM-lock free). (Note: Dual-physical SIM iPhones manufactured for Mainland China, Hong Kong, and Macau do not support eSIM).
Easy Setup Process
How to Order, Redeem & Activate Your Mainland China eSIM
1
Select Travel Plan Duration
Choose the number of travel days needed for your trip to Mainland China and complete checkout online.
2
Receive Your Email Voucher within 12 Hours
Check your inbox for our confirmation email containing your unique Redemption Code (Valid for 18 months from purchase).
3
Redeem & Scan QR Profile (On Departure Day)
On your departure day, visit the exchange portal to input your code and generate your eSIM QR profile. Scan it using your phone's cellular settings on stable Wi-Fi.
4
Connect in Mainland China & Enable Roaming
Upon landing in Mainland China, set this eSIM as your Mobile Data line, turn on Data Roaming, and enjoy instant 5G/4G connectivity on China Unicom!
🌐 Redemption Portal: https://esimexchange.com/
(Enter your email voucher code to retrieve your Mainland China QR profile)
Carrier Directory
Carrier Specs by Destination (Mainland China)
📋 Click to View Complete Network Breakdown for Mainland China (5G / 4G)
| Country / Territory | Operator(s) | Speed |
|---|---|---|
| 1. Mainland China (中國內地) | China Unicom (中國聯通) | 5G/4G |
Got Questions?
Frequently Asked Questions
How do duration and daily data resets work?
• Duration: 24 hours per day (天數：24小時).
• Data reset: Daily plans reset every 24 hours from activation timestamp (流量重置：按天套餐按激活時間起每24小時重置).
Which mobile carrier network will I connect to in Mainland China?
Your eSIM connects directly to China Unicom (中國聯通), providing ultra-fast 5G and 4G LTE coverage across all metropolitan cities, scenic areas, and provinces.
Can I use personal hotspot and tethering in Mainland China?
Yes, personal mobile hotspot and data sharing are fully supported across all covered regions in Mainland China.
⚠️ Important Precautions for Your Mainland China eSIM
18-Month Code Validity: The digital redemption code received in your email is valid for 18 months from issuance date.
180-Day Activation Window: Once redeemed into a QR profile, it must be activated in Mainland China within 180 days (expires automatically thereafter).
Duration (天數): 24 hours per day (天數：24小時).
Data Reset (流量重置): Daily plans reset every 24 hours from activation (按天套餐按激活時間起每24小時重置).
Single Phone Lock: Each QR code binds permanently to one device only. Once scanned and bound, it cannot be transferred, replaced, or refunded.
Quick Device Installation
iOS & Android Configuration Guide
🍏 Apple iPhone Setup
iOS Guide
🛫 Phase 1: Before You Fly (At Home / Wi-Fi)
1. Scan QR: Go to
Settings → Cellular → tap Add eSIM (or Add Cellular Plan) → scan your QR code.
2. Label Lines: Keep your primary SIM labeled as [Primary]. Label this travel eSIM as [Secondary] (or China Travel).
3. Line Settings: Set Default Line & iMessage / FaceTime to [Primary] (to continue receiving bank OTP SMS).
⚠️ Keep the [Secondary] eSIM line turned OFF before departure to prevent premature activation.
🛬 Phase 2: After Landing in Mainland China
1. Enable Travel Line: Turn ON your [Secondary] eSIM line.
2. Switch Data: Set Cellular Data to [Secondary].
3. Roaming On: Inside the [Secondary] settings, toggle Data Roaming to ON.
✓ Keep "Allow Cellular Data Switching" turned OFF.
🤖 Android Setup
Samsung / Pixel / Unlocked
🛫 Phase 1: Before You Fly (At Home / Wi-Fi)
1. Download Profile: Go to
Settings → Connections → SIM Manager → tap [+] Add eSIM → scan QR.⚠️ Keep the new eSIM turned OFF before departure to avoid premature activation.
🛬 Phase 2: After Landing in Mainland China
1. Activate eSIM: Turn ON the Mainland China travel eSIM profile.
2. Set Primary Mobile Data: Set the travel eSIM as your preferred Mobile Data SIM.
3. Enable Roaming: Enable Data Roaming in Mobile Network settings.
4. Retain Home Line: Keep your home physical SIM active for SMS/OTPs without mobile data.
