# Charging board for Samsung G991 (Galaxy S21) — USB connector replacement board

**URL:** https://aio.lv/en/product--samsung-g991-s21-usb-charging-board--11744284
**Data updated:** 2026-03-08 13:45 (EET)
**Category:** Smartphone & Mobile Gadget Accessories
**Manufacturer:** Samsung
**Manufacturer code:** G991 S21 USB charging board
**EAN:** 5704174332329
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.49 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 23.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--samsung-g991-s21-usb-charging-board--11744284

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.07.2026 | free |
| Pickup points | 04.08.2026 | 1.89 EUR |
| Courier delivery to door | 04.08.2026 | 4.99 EUR |

## Summary description

Replacement USB charging board compatible with Samsung G991 (Galaxy S21). This board contains the USB connector and associated circuitry used for charging and wired data connection. Intended for repair of devices with damaged or non-functional charging port, it restores charging and cable data transfer functionality. Suitable for technicians and DIY phone repair.

## Long description

Replacement USB charging board compatible with Samsung G991 (Galaxy S21). This charging board contains the USB-C connector and the related circuitry required for battery charging and wired data transfer. It is designed as a direct replacement for a damaged or non-functional charging port assembly, restoring the device's ability to charge via cable and communicate with a computer for file transfer or firmware operations. The component is intended for repair use and requires professional or experienced DIY installation.
Advantages
The charging board provides a factory-compatible connector layout and solder points to integrate with the original motherboard. It restores both power input and data lines, ensuring reliable charging and stable USB data communication when installed correctly. The replacement part saves time compared to full-device replacement and allows targeted repair of charging-related faults while maintaining the original battery and other components.
Suitable for
 Repairing Galaxy S21 devices with a broken or loose USB-C port
 Restoring charging and wired data transfer functionality
 Technician and DIY phone motherboard repairs
 Replacement during water-damage or mechanical-failure recovery
Key specifications
 Compatibility: Samsung Galaxy S21 model with G991 designation
 Function: USB-C charging connector and associated charging/data circuitry
 Form factor: replacement daughterboard designed to mount to the original device frame or motherboard
 Connectivity: USB power input and USB 2.0/USB data signal lines (as implemented on original device)
 Installation: soldered or connector-mounted depending on device assembly
How to use
Power off the device and remove the back cover and battery assembly as required for the Galaxy S21 disassembly process. Carefully disconnect and remove the defective charging board following manufacturer repair guides or service manuals. Align the replacement board to the existing connector points and solder or fasten it into place, reattaching any flex cables and shielding components. Reassemble the device and verify charging and data transfer using a known-good USB cable and charger. If uncertain about any step, seek professional repair services to avoid further damage.
Usage recommendations
Use appropriate ESD protection, precision tools, and service documentation when replacing the charging board. Test the device after installation with original or certified chargers and cables to confirm correct operation. If corrosion or additional damage is present, inspect surrounding components and connectors before completing the repair.

## FAQ

### How much does the Charging board Samsung G991 (Galaxy S21) cost, and is it available for purchase?

The price is 28.49 € (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 30.07.2026 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 Samsung 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 Samsung 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/11744284/67123384_large.webp