Oppo A91

Cases for Oppo A91 — elegant smartphone protection

Oppo A91 stands out with its slim profile (7.9 mm) and lightness (172 g) — it is one of the thinnest models in the Oppo A series. The 6.4-inch AMOLED FHD+ display delivers vivid colors and deep blacks, while the glass back with gradient finish gives it a premium character. MediaTek Helio P70 processor and 4025 mAh battery provide solid performance.

Available accessories

• Silicone cases — clear models showcase the gradient glass back. Ultra-thin to preserve the slim profile.
• Flip cases — AMOLED screen protection with card pocket and movie-watching kickstand function.
• Armored cases — reinforced corners absorbing drops. Thicker but significantly safer.
• Tempered glass — 6.4-inch AMOLED panel protection. Compatible with the in-display fingerprint reader.
• Back films — protecting the gradient glass body from scratches.

AMOLED and glass back — double risk

Oppo A91 has glass both front (AMOLED screen) and back (gradient finish). Both elements are prone to scratches and cracks. A screen glass + back film set provides complete protection. The in-display fingerprint reader requires glass marked as compatible — not all models pass the optical signal.

Slim profile — lightweight cases

At just 7.9 mm thickness, choose a case that preserves this advantage. A silicone TPU case adds 1-1.5 mm, maintaining the phone's compact character. Hybrid variants with a hard back offer better protection at slightly greater thickness.

Oppo A90 series

Other models: Oppo A93 and Oppo A94. Looking for newer models? Check Oppo A78.