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Target API 21 for 5.0 and API 22 for 5. In case you loved this informative article and you would want to receive much more information relating to [[https://tkistiqamah.com/jobs/|1xbet app ph]] generously visit our web site. 1. Configure CI to run emulator images for those API levels, include at least one real-device test on each build, and gate features that depend on ART, 64‑bit support or Material Design APIs behind API-level checks.

5.0 launched on November 12, 2014; 5.1 arrived on March 9, 2015. Use these dates to align with platform security bulletin timelines and OEM update windows when auditing device security and patch status.

Technical deltas across the 5.x cycle: 5.0 made ART the default runtime, introduced the Material visual model and initial 64‑bit runtime support; 5.1 focused on stability, multi‑SIM handling, call-quality fixes and memory manager improvements. Prefer capability detection (APIs, hardware features) instead of relying on vendor build strings for behavioral decisions.

Recommendation for app support: if feasible set minSdk to 23+ and drop maintenance for the 5.x line; if support is required, keep compatibility libraries updated, backport critical fixes via Play Services where available, and test intensive flows (graphics, audio, telephony) on API 21 and 22 images.

Identify these releases at runtime by checking the API level (21 or 22) in conditional code and by reviewing the device’s About / Software information for the build label; implement graceful fallbacks for features absent on older API levels.

How to identify Lollipop version on a device

Open Settings → About phone → Software information and read the "OS release" or "OS release string" entry; for a fast, reliable check use the SDK level: API 21 maps to the early 5.x line, API 22 maps to the later 5.x line.

To get the SDK value via USB, enable Developer options (tap Build number seven times), enable USB debugging, connect to a computer and run adb shell getprop ro.build.version.sdk. The command returns an integer: 21 (5.x initial) or 22 (5.x minor update).

To confirm the specific build identifier run adb shell getprop ro.build.display.id or check the Build number entry in Settings. Build IDs starting with LR are from the 5.x initial line; IDs starting with LM are from the 5.x follow-up line.

If no PC is available, copy the Build ID shown in Settings → About phone and search that string on the vendor or community support pages; match the build prefix (LR vs LM) or the exact build tag to public changelogs to determine the exact 5.x release. Also check the Security patch level and kernel build date – later dates typically indicate the minor 5.x update.

Commands summary for quick reference: adb shell getprop ro.build.version.sdk (SDK integer), adb shell getprop ro.build.display.id (build ID). Use SDK 21 vs 22 to distinguish the two 5.x releases unambiguously.

Open Settings > About phone to view Android version

Open Settings → About phone and copy the Release string and Build ID exactly as shown; take a screenshot for support and update checks.

Where the entries appear:

Stock devices: Settings → About phone (Release and Build ID shown on the main About screen).
Samsung: Settings → About phone → Software information.
Xiaomi/MIUI: Settings → About phone → All specs or Software information.
Other OEMs may label the section About device or Software information; use Settings search if needed.

Critical fields to record:

Release – the on-device release label used by the OS.
Build ID – exact firmware identifier for the installed build.
Security patch – date of the latest security update installed.
Kernel info – kernel string including build timestamp and toolchain.
Baseband / radio – cellular firmware identifier (useful for connectivity issues).
Model and SKU – device model string and carrier or retail SKU used for matching updates.

Practical steps and tools:

Capture a screenshot (power + volume down on most devices) or copy each entry by hand to avoid transcription errors.
Enable Developer options by tapping the Build ID seven times, then check Developer settings for additional build details.
Use ADB for exact strings: adb shell getprop ro.build.display.id and adb shell getprop ro.build.fingerprint – save outputs to a file for support teams.
Verify updates under Settings → System → System updates or Software update to confirm whether a newer release is available for your model/SKU.

What to send to support: device model, Release string, Build ID, Security patch date, baseband entry, kernel info, and a short description with reproduction steps and any error messages; include the screenshot or ADB output when possible.

Zusammenfassung

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