Duoqin F21 Pro+ – original operating system ↗
Released · Support commitmentwww.gsmchoice.com · Last verified 2026-10-31
Model/SKU-specific evidence only; release month references are not fabricated first worldwide retail dates.
Duoqin F21 Pro+
Android · Released Unknown · Named regional model; availability varies
Security support ends
Unknown
Unknown
No verified support end date has been recorded.
- OS support ends
- No separate date specified
- Last verified
- 2026-10-31
- Region
- Named regional model; availability varies
No separate final major version release date is specified. Security support ends separately.
Support commitment
Duoqin F21 Pro+ · Support commitment
- Major OS upgrades
- Unknown
- OS support (years)
- Not separately specified
- Security support (years)
- Not separately specified
- Original OS version
- 11
- Verified OS version
- Not yet verified
- Last expected major version
- Unknown
- Update frequency
- Unknown
- Policy verified
- 2026-10-31
No separate final major version release date is specified. Security support ends separately.
Notes
Launch/announcement or regional availability time reference: nem igazolt. Source: https://www.gsmchoice.com/en/catalogue/duoqin/f21proplus/. Year/quarter is regional/announcement reference, not exact first worldwide retail day. Factory OS not current OTA proof. Fixed security end unverified. Quantified major generation count unverified. Unknown is not zero updates or ended support.
Sources
Image source ↗ · DuoQin
Manufacturer product image, resized.
Sources substantiate only the indicated claims; missing values cannot be inferred from them.