# Mobile phone case 3MK Armor Case — compatible with Samsung Galaxy S21 FE

**URL:** https://aio.lv/en/product--3mk-3mk-armorcase239--4789712
**Data updated:** 2026-01-13 21:26 (EET)
**Category:** Smartphone Cases
**Manufacturer:** 3MK
**Manufacturer code:** 3mk ArmorCase(239)
**EAN:** 5903108390415
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.49 €
**Prices and availability valid until:** 2026-07-06 23:59
**Price without VAT (21%):** 12.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--3mk-3mk-armorcase239--4789712

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

3MK Armor Case is a protective mobile phone case designed for Samsung Galaxy S21 FE. It provides everyday protection against scratches and minor impacts while preserving access to ports and buttons. Lightweight and form-fitting, the case is intended for daily use to keep the device safe without adding significant bulk.

## Long description

3MK Armor Case is a lightweight protective case designed specifically for the Samsung Galaxy S21 FE. The cover fits the phone precisely, preserves full access to ports, buttons and camera, and reduces the risk of scratches and minor impact damage during everyday use. Its slim profile maintains the original device ergonomics while providing a reliable protective layer for daily carry.
Advantages
The case combines a form-fitting design with impact-absorbing material to protect the Galaxy S21 FE from surface scratches and small drops without adding substantial bulk. Precise cutouts ensure unhindered access to charging ports, headphone connectors (if applicable), camera lenses and side controls. The slim construction preserves the phone’s shape and weight distribution, while the textured or slightly grippy finish improves handling and reduces the chance of accidental slips.
Suitable for
Everyday pocket or bag carry where scratch and minor impact protection is required
Users who prefer a slim, form-fitting case that keeps access to ports and buttons
People who want to maintain the original feel and ergonomics of the Samsung Galaxy S21 FE
Key specifications
Compatibility: Samsung Galaxy S21 FE
Form factor: slim, form-fitting shell
Protection: surface scratch resistance and minor impact absorption
Material: lightweight protective polymer (non-specified composite)
Access: precise cutouts for ports, buttons and camera
Finish: matte or textured surface for improved grip
How to use
Align the case with the Galaxy S21 FE, starting from one side and gently press the phone into the case until all edges snap into place. Verify that the camera opening, charging port and side controls are unobstructed. To remove the case, carefully pry one corner away from the phone and work around the edges until the device is free. Clean the case periodically with a soft cloth and mild detergent if needed; avoid abrasive cleaners.
Usage recommendations
Use the case as primary everyday protection against scratches and minor drops. Combine the case with a screen protector for full front-and-back protection. Avoid exposing the case to extreme temperatures or prolonged direct sunlight to prevent material deformation.

## Specifications

### Features

| Feature | Value |
|---|---|
| Compatibility | Galaxy S21 FE |

### Packaging content

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the 3MK Armor Case mobile phone case — Galaxy S21 FE cost, and is it available for purchase?

The price is 15.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 22.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All 3MK products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized 3MK service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: compatibility, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/4789712/63912759_large.webp