# 3MK HardGlass Screen Protector for Galaxy A21s

**URL:** https://aio.lv/en/product--3mk-3mk-hardglass106--4783569
**Data updated:** 2026-01-13 21:26 (EET)
**Category:** Screen Protectors & Tempered Glass
**Manufacturer:** 3MK
**Manufacturer code:** 3mk HardGlass(106)
**EAN:** 5903108277099
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 9.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 7.84 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--3mk-3mk-hardglass106--4783569

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The 3MK HardGlass is a high-quality screen protector designed for the Galaxy A21s. It offers excellent durability and scratch resistance, ensuring your device's screen remains protected from daily wear and tear. The precise fit and easy installation make it a practical choice for maintaining your phone's display in pristine condition.

## Long description

The 3MK HardGlass Screen Protector for Galaxy A21s is a tempered glass protection designed to preserve the original touch sensitivity and clarity of the Galaxy A21s display. This screen protector provides a thin, hard layer over the display surface that reduces the risk of scratches and minor impacts while maintaining high transparency and responsiveness. The protector is cut to fit the Galaxy A21s screen precisely, ensuring coverage without obstructing sensors or the front camera.
Advantages
The tempered glass construction offers enhanced scratch resistance and surface hardness compared with standard plastic films, helping to keep the display free from everyday abrasions. The smooth glass surface preserves touch sensitivity and supports accurate gesture control. Its optical clarity minimizes distortion and maintains color accuracy and brightness of the original screen. The protector’s precise cut and edge finishing reduce the risk of lifting and ensure a neat fit over the display area.
Suitable for
Users who want to protect the Galaxy A21s display from scratches and minor drops
Everyday mobile phone use in pockets, bags, or outdoors
People who require accurate touch response and clear screen visibility
Replacement of worn or damaged protective film with a durable glass layer
Key specifications
Material: Tempered glass
Thickness: Thin-profile tempered layer designed for minimal bulk
Surface hardness: High hardness level for scratch resistance
Transparency: High optical clarity to preserve display color and brightness
Touch sensitivity: Preserves original touchscreen responsiveness
Fit: Precise cut to match Galaxy A21s display area and openings
How to use
Before applying the 3MK HardGlass protector, clean the Galaxy A21s display thoroughly using a lint-free cloth and the included alcohol wipe or cleaning accessory to remove fingerprints, dust, and oils. Align the protector carefully with the screen edges and any sensor or camera openings, then place it down gently from one edge to the other to reduce air bubbles. If small bubbles remain, press them toward the nearest edge with a soft card or cloth. If dust particles are trapped, lift the protector gently and reapply after removing the particles.
Usage recommendations
For best results, apply the protector in a dust-free environment such as a bathroom after a hot shower to minimize airborne dust. Replace the protector if it becomes chipped or cracked to maintain full protection. Regularly clean the glass surface with a microfiber cloth to preserve clarity and touch performance.

## Specifications

### Features

| Feature | Value |
|---|---|
| Compatibility | Galaxy A21s |

### Packaging content

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

## FAQ

### How much does the 3MK HardGlass Screen Protector Galaxy A21s cost, and is it available for purchase?

The price is 9.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 06.07.2026 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

## Image

https://aio.lv/img/cache/product/4783569/25994704_large.webp