Amazfit T-Rex Dual Solar – operating system reference ↗
Support commitmentsupport.amazfit.com · Last verified 2026-10-26
Only explicitly supported facts for this model/region; no inferred future support guarantee.
Amazfit GTS 4
Zepp OS · Released Unknown · Global / model-specific regional reference
Security support ends
Unknown
Unknown
No verified support end date has been recorded.
- OS support ends
- No separate date specified
- Last verified
- 2026-10-26
- Region
- Global / model-specific regional reference
No separate final major version release date is specified. Security support ends separately.
Support commitment
Amazfit GTS 4 · Support commitment
- Major OS upgrades
- Unknown
- OS support (years)
- Not separately specified
- Security support (years)
- Not separately specified
- Original OS version
- Unknown
- Verified OS version
- 3.5
- Last expected major version
- Unknown
- Update frequency
- Unknown
- Policy verified
- 2026-10-26
No separate final major version release date is specified. Security support ends separately.
Notes
Launch/announcement month reference: 2022-09. Global launch / regional availability. Source: https://us.amazfit.com/blogs/news/amazfit-unveils-next-level-sports-and-lifestyle-experiences-with-the-new-amazfit-gtr-4-and-gts-4-smartwatches. No model-specific fixed software/security support duration verified. Support documentation is not a firmware guarantee; companion Zepp app version is not the watch OS. Verified Zepp OS version is the latest version listed in manufacturer developer documentation, not companion app or original firmware.
Sources
Image source ↗ · Amazfit
Manufacturer product render, resized.
Sources substantiate only the indicated claims; missing values cannot be inferred from them.
Amazfit Balance Ultra – operating system reference ↗
Released · Verified OS versiondocs.zepp.com · Last verified 2026-10-26
Only explicitly supported facts for this model/region; no inferred future support guarantee.