Frequently Asked Questions (FAQ)

This chapter summarizes the most common issues and solutions for GarSync 2.x users.

1. Accounts & Authorization

Q: Why are there two Garmin icons? Which one should I choose?

A: Garmin operates two isolated server regions: Garmin China and Garmin Global.

If you registered with a Chinese mobile number, you likely belong to China. Verify at connect.garmin.cn.
If you registered via email on the official global site, you belong to Global. Verify at connect.garmin.com.
Note: Data is not shared between regions. Choosing the wrong icon leads to successful login but no data visibility.

Q: Why does it say "Wrong Password" when I use my mobile number + password?

A: While the website allows mobile numbers, GarSync requires your **Email + Password** for authorization.

Q: Login failed during authorization. How to fix?

A: We strongly recommend logging in once via a web browser first.

This verifies your credentials and ensures no pending requirements (like binding a phone number or initial setup).
Log in, go to Settings - Privacy Settings - Data, and ensure "Allow Data Storage and Upload" is enabled.

Q: Where is my MFA (Verification Code)?

A: For security, Garmin sends 2FA codes to your registered **Email**. Please check your inbox.

Q: Logged in, but sync isn't moving or shows Error 412?

A: Usually two causes:

Cause 1: Incorrect region for Global accounts (very common).
Cause 2: Data storage permission not granted. You must log in via web and enable "Allow storage and upload" under Privacy Settings.

Q: What do errors 401, 412, and 429 mean?

A: 401: Unauthorized (session expired). 412: Precondition failed (missing permissions). 429: Too many requests (rate limited).

Solutions:

401: Re-login via: Explore > Account Management > Platform > Re-login.
412: Login via web (Connect China or Global) and enable data storage/upload in Privacy Settings.
429: Server busy. Wait 5-10 minutes. If it persists, ensure your profile (birthday, region) is fully set on the website.

Q: Do you support Huawei Health?

A: We currently only support importing offline data packets. Direct account sync is not supported as Huawei has not approved our write-access request.

To migrate your data:

Official Export: Visit the Huawei Privacy Center (privacy.consumer.huawei.com/tool), log in, and request your data copy.
Extract the zip (usually password-protected) on a PC first.
Re-compress it into a standard .zip (without password).
Use the Import Data feature in GarSync's Discovery page to upload it.

Q: Does GarSync support Apple HealthKit?

A: Yes. You can sync data from/to HealthKit.

Many apps write only summaries to HealthKit without heart rate or track details. GarSync ignores these low-quality records by default to maintain data integrity.
We do not recommend HealthKit as a long-term storage for thousands of activities, as it adds no significant value and increases cloud storage demands.
Recommendation: HealthKit is an excellent "data hub" for health metrics. For example, body fat scale data from Huawei or Xiaomi is often written to HealthKit automatically. You can then use GarSync to sync this weight and body fat data to other platforms like Garmin or Intervals.icu. This is particularly useful for calculating your Power-to-Weight ratio (W/kg).

2. Data Synchronization

Q: Will syncing cause duplicate activities?

A: No. Our intelligent algorithm uses the original timestamp as a unique "fingerprint." Redundant uploads are automatically skipped.

Q: Will activities recorded by both a bike computer and a watch duplicate?

A: Only if they start at the exact same second. If the timestamps differ, they are treated as separate activities.

Q: How do I sync historical records?

A: Check "Sync History" when creating a task. You can also use "Full Refresh" in Account Management to force-scan all data. **Warning**: Do not do this frequently to avoid platform restrictions.

Q: If I delete an activity from a platform, will it be deleted elsewhere?

A: No. GarSync never deletes data automatically. However, manual deletion from the GarSync list will call the platform's API to remove it.

Q: Why is a successful sync not visible on some platforms?

A: Platforms like Blackbird or Xingzhe reject certain files:

Duplicate: File already exists.
No Track: Virtual/Indoor files without GPS data are often rejected or hidden.

3. Data Backup

Q: Does GarSync support data backup?

A: We suggest two methods:

Method 1: Data Hub. Choose a stable platform (with good API) to consolidate all your activities from various sources.
Method 2: Local Backup. Connect your PC or NAS via SMB/NAS. GarSync will back up your records, plans, and routes in standard **FIT** format.

Q: Cannot connect to my NAS?

A: Ensure: 1. Phone and NAS are on the same WiFi. 2. **SMB v2/v3** is enabled. 3. Firewall allows port 445.

4. Service & Pricing

Q: Why does GarSync charge when there are open-source projects available?

Dimensions	GarSync	Open Source Projects
Depth & Positioning	Complete service ecosystem (Professional App + Support)	Fragmented code snippets or basic tools
Feature Breadth	36+ Platform Sync NAS/Private Cloud Backup Deep Data Analysis Data Visualization AI Coaching & Advice Training Plans & Routes Sensor & Battery Monitor Real-time Workout Recording Smart Trainer Power Training	Only supports limited sync logic for few platforms
Ease of Use	Operation on Mobile Designed for regular users Intuitive & User-friendly UI Zero technical skills, One-tap sync	Operation on PC Requires programming background Command-line & environment setup Consumes significant time & energy
Service & Support	Professional full-time team Instant technical support	Lack of customer support Slow responses Easily broken by API changes
Continuous Evolution	Continuous R&D investment Rapid adaptation to platform changes Fixing edge cases and niche issues	Relies on hobbyist's free time Complex issues are rarely fully resolved

Q: Can I use GarSync for free?

A: Simply put, you can try it for free, but long-term use requires payment. The development model determines the quality of service and privacy protection:

App Model	Pros	Cons & Risks
Free App by Hobbyists	Completely free	Unstable maintenance, limited features Hard to adapt to platform changes May stop updating any time
Free App with Ads	No money cost	Ads interfere with experience, high battery drain Privacy Risk: Usually monetizes by selling user data
Professional App (GarSync)	Full-time maintenance Comprehensive features No ads, instant support Privacy Protection	Requires payment to cover R&D, server, and human support costs

We firmly believe that good software and service are worth paying for. GarSync does not monetize via ads or sell your privacy. Reasonable fees sustain our professional team's continuous R&D, saving you time and ensuring the ultimate stability of your data sync.

Q: What is the pricing standard for data syncing?

A: We charge based on quantity: 1 Diamond per activity, capped at 68 Diamonds for massive migrations (100+ items).

Details: 1 Diamond for 1 item, 8 for <10, 18 for <20, 38 for <100.
10 Diamonds cost approx. 1 CNY. Low-frequency use is very affordable.
For power users, **Member Subscription** offers unlimited sync, AI Coaching, and priority support.

5. Data Ownership & Privacy

Q: Does GarSync store my activity data?

A: We follow the "Data Sovereignty" principle. Your raw files are stored ONLY on your local device or NAS. AI analysis is encrypted and anonymous. Our servers only track essential account data (level, diamonds).

Q: What if a platform does not support data export?

A: We encourage friendly communication first. Contact support or check the help center for hidden export options.

Legal standards also protect your **Data Portability**:

China (PIPL): Article 45 grants users the right to transfer personal information to other designated parties.
EU (GDPR): Article 20 grants the "Right to Data Portability." The upcoming 2025 Data Act will further strengthen these rights for fitness data.

We believe in a secure and open data ecosystem. GarSync is here to provide safe and convenient data management for all athletes.