Short answer

The phone maker maintains firmware while each app developer chooses supported OS versions. Their timelines can diverge.

Different owners, different schedules

The phone maker maintains firmware while each app developer chooses supported OS versions. Their timelines can diverge.

Working is not patched

An unsupported phone may still run apps, and a supported phone may lose one app. Neither condition proves the other layer is healthy.

Check the full chain

For important services, check device support, patch level, OS compatibility, app notes, and the provider's minimum requirements.

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Putting this guide into practice?

Use the relevant support records below if you are already considering a purchase.

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REDMI 17

Security support recorded to August 2032

Model
REDMI 17
Record scope
Global manufacturer listing
Evidence grade
A
Check support record →

Selected from this page’s catalog by recorded security-support date. Dates may cover a specific region or model; this is not a product review or a guarantee of future updates.

Worked examples from the catalog

Use the model identifier and jurisdiction together; a marketed name alone is not enough. These records show how the method is applied to real evidence.

How this guide was produced

DevLifeCheck separates manufacturer commitments, regulator notices and editorial interpretation. The editor checks the linked primary sources, records the applicable model and region, and avoids turning a missing date into an estimate.

Primary sources

01
Android Security Bulletins

Android Open Source Project · checked Sep 2026

Open ↗
02
Apple security releases

Apple Support · checked Sep 2026

Open ↗

Related guidance

Important

Device support and safety information can change. Recheck the linked manufacturer and regulator evidence before making a purchase or safety decision.