That’s a very specific product name! The term “Eagle Case” or “Eagle Cover” in the mobile accessory market usually refers to a specific style of back cover that emphasizes ruggedness and corner shock absorption.
Based on the information available and the known compatibility between the two phones, here is a detailed breakdown of what you can expect from the “Eagle Cover” 3-in-1 combo pack for the Oppo A3 Pro 5G and Oppo K12x 5G.
🛡️ Expected Components of the Eagle Cover Combo
| Component | Description | Compatibility Check |
| 1. Back Cover (The “Eagle Case”) | This is typically a Hybrid Case with a clear PC (Polycarbonate) back and soft, reinforced TPU (Thermoplastic Polyurethane) bumper edges, often in black. The corners are usually bulky with an Air-Cushion design for superior drop protection. | Likely Compatible. The dimensions of the Oppo A3 Pro 5G (165.8 x 76.1 x 7.7 mm) and Oppo K12x 5G (165.7 x 76 x 7.7 mm) are nearly identical, meaning the main case body should fit both perfectly. |
| 2. Tempered Glass Screen Protector | A standard high-hardness (9H) glass protector designed for the front display. It should have cutouts for the earpiece/punch-hole camera. | Likely Compatible. Both phones share the same 6.67-inch display with the same punch-hole design and resolution (720 x 1604 pixels), so the front glass piece will fit both devices. |
| 3. Camera Lens Protector | A separate, thin piece of glass or film custom-cut to cover the rear camera module lenses and flash. | ⚠️ MAJOR CHECK REQUIRED. While the phone bodies are the same, the camera resolutions are different:<ul><li>Oppo A3 Pro 5G: 50MP + 2MP</li><li>Oppo K12x 5G: 32MP + 2MP</li></ul>This means the exact position, size, and layout of the two lens rings and the flash might vary slightly, requiring different cutouts. The “Eagle Cover” combo must be specifically checked to ensure the lens protector fits the camera model you own (A3 Pro OR K12x). |
🔍 Key Features of the “Eagle” Style Case
The “Eagle Case” brand or style is known for:
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Extreme Corner Protection: The reinforced bumper edges are the defining feature, providing military-grade shock absorption.
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Camera Bump: A raised bezel or prominent lip around the entire camera module cutout to ensure the lenses do not touch flat surfaces.
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Clear Visibility (Often): The back panel is usually crystal clear to preserve the phone’s original color.
✅ Recommendation
If you are purchasing this combo online, you should:
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Check the Product Title/Description: Ensure the seller explicitly confirms the Camera Lens Protector piece is designed for your specific model (Oppo A3 Pro 5G OR Oppo K12x 5G).
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Review the Product Images: Look closely at the image of the case’s rear cutout. If the cutout is a single, large oval/rectangle that exposes the entire camera bump, it’s a generic fit. If it has precise rings for each lens, it must be the correct model.
The Back Cover and Tempered Glass are highly likely to be interchangeable between the A3 Pro and K12x. The Camera Lens Protector is the only component where a potential difference in the camera sensor layout could cause a fit issue.

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