Widevine DRM Check: L1 L3 HD

Does your phone really stream Netflix in HD or 4K — or is it secretly capped at SD? The answer comes down to one thing most people never check: your device's Widevine DRM security level.

Widevine DRM Check reads that level straight from Android and instantly shows you what it means for every major streaming app.

▶ INSTANT WIDEVINE CHECK
One tap reveals whether your device is Widevine L1, L2 or L3 — the hardware security tier streaming services use to decide your maximum video quality.

▶ SEE YOUR REAL STREAMING QUALITY
Get a clear, per-app breakdown of the resolution you actually receive on:
• Netflix
• Disney+
• Max (HBO)
• Prime Video
• Apple TV+
• Spotify

L1 devices unlock Full HD and 4K. L3 devices are capped at SD or 540p — no matter how good your screen is.

▶ 4K & HDCP REQUIREMENTS
Even on an L1 phone, 4K needs an HDCP 2.2+ display and connection. The app checks your maximum and currently connected HDCP level, so you know exactly what is blocking 4K.

▶ FULL TECHNICAL DETAILS
For enthusiasts and pros: view the raw MediaDrm properties — Widevine vendor, version, system ID, security level, supported algorithms, max HDCP and more.

▶ 100% ON-DEVICE & PRIVATE
The check runs entirely on your phone. No sign-in, no streaming account needed, and none of your check data ever leaves your device.

WHY YOUR WIDEVINE LEVEL MATTERS
Netflix, Disney+, Max, Prime Video and most premium apps use Widevine DRM to protect their content. Hardware-backed Widevine (L1) decrypts video inside a secure enclave and unlocks the highest resolutions. Software-only Widevine (L3) is treated as a lower trust tier and is capped at SD/540p. The level is fixed in hardware at manufacture — no app, update or root tweak can raise L3 to L1 — so it pays to know which one you have before you buy a 4K plan or a new phone.

PERFECT FOR
• Buying a new phone for streaming
• Checking a used or budget phone before you pay
• Troubleshooting why Netflix won't play in HD or 4K
• Comparing devices for premium video
• Tech fans who want the raw DRM data

Find out in seconds whether your device is built for premium streaming. Download Widevine DRM Check and see your true streaming quality.

Widevine is a trademark of Google LLC. Netflix, Disney+, Max, Prime Video, Apple TV+ and Spotify are trademarks of their respective owners. This app is an independent diagnostic tool and is not affiliated with or endorsed by any of these companies.