Introduction
The Nokia Lumia 520 is a 3G-enabled smartphone running on the Windows Phone 8 operating system. It features a 4-inch IPS LCD capacitive touchscreen, a 5-megapixel camera, and expandable storage. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.

Image: Nokia Lumia 520 smartphone, displaying its front screen with the Windows Phone interface and a clear view of its side profile.
Setup
1. Battery and SIM Card Installation
Before using your phone, you need to install the battery and a compatible SIM card. The Nokia Lumia 520 uses a standard SIM card.
- Carefully remove the back cover of the phone.
- Insert the battery into its compartment, ensuring the contacts align.
- Locate the SIM card slot. Insert your standard SIM card into the designated slot with the gold contacts facing down and the cut corner oriented correctly.
- Replace the back cover, pressing firmly until it clicks into place.
2. Memory Card Installation
The Nokia Lumia 520 supports microSD cards up to 64GB for additional storage.
- With the back cover removed, locate the microSD card slot, usually adjacent to the SIM card slot.
- Insert the microSD card into the slot until it locks into place.
- Replace the back cover.
3. Initial Power On and Setup
To power on your device for the first time:
- Press and hold the power button until the phone vibrates and the Nokia logo appears.
- Follow the on-screen prompts to select your language, region, and set up your Microsoft account.
4. Charging the Device
Use the provided USB cable and adapter to charge your phone.
- Connect the USB cable to the charging port on your phone.
- Plug the adapter into a wall outlet.
- The battery indicator on the screen will show the charging status.

Image: Front and back views of the Nokia Lumia 520, illustrating its design and camera placement.
Operating Your Device
1. Basic Navigation
The Nokia Lumia 520 features a responsive touchscreen. Swipe left or right to navigate between the Start screen (Live Tiles) and the Applications list. Tap to open apps or select options.
2. Making Calls and Sending Messages
To make a call, tap the Phone tile, enter the number, and tap the call icon. To send an SMS, tap the Messaging tile, select a contact or enter a number, type your message, and send.
3. Camera Functions
The phone is equipped with a 5-megapixel camera with autofocus and geo-tagging capabilities. It can also record 720p video at 30 frames per second.
- Open the Camera app from your Start screen or Applications list.
- Tap the screen to focus.
- Tap the camera icon to take a photo or the video icon to start/stop recording.
4. Connectivity (Wi-Fi, Bluetooth)
Connect to the internet via Wi-Fi or use Bluetooth for short-range wireless connections.
- Go to Settings > Wi-Fi to enable Wi-Fi and connect to a network.
- Go to Settings > Bluetooth to enable Bluetooth and pair with devices.
5. GPS and Maps
The device includes built-in GPS with free maps, allowing for navigation even without an internet connection.
- Open the Maps application.
- Download maps for offline use in Settings > Maps.
6. Personalizing Your Phone (Live Tiles)
Customize your Start screen with Live Tiles that display real-time information from your favorite apps.
- Press and hold a tile to resize, move, or unpin it.
- Pin new apps to the Start screen from the Applications list.
7. Applications
Access and download applications from the Windows Phone Store. Note that the app selection may be more limited compared to other operating systems.

Image: The Nokia Lumia 520's display showcasing the dynamic Live Tiles interface.
Maintenance
1. General Care
Keep your phone clean and protected. Avoid exposing it to extreme temperatures, liquids, or direct sunlight. Use a soft, dry cloth to clean the screen and body.
2. Battery Management
To optimize battery life, consider turning off Wi-Fi when not actively using it, especially in areas without known networks. Many apps can run in the background; use the battery saver feature in settings to identify and restrict their usage.
3. Software Updates
Periodically check for software updates to ensure your phone has the latest features and security enhancements. Updates can sometimes take a significant amount of time to complete.
- Go to Settings > Phone update to check for and install updates.
4. Storage Optimization
Regularly manage your phone's internal storage. While the phone supports microSD cards, some data and app components may still occupy internal memory, leading to performance issues if storage runs low.
- Go to Settings > Phone storage to view storage usage and manage files.
- Move photos, videos, and music to the microSD card whenever possible.
- Uninstall unused applications to free up space.
Troubleshooting
1. SIM Card Not Detected
If your SIM card is not working or detected, ensure it is inserted correctly and is not damaged. Reinsert the SIM card and restart the phone. If the issue persists, contact your mobile operator.
2. Phone Freezing or Unresponsive
If your phone becomes unresponsive or freezes, perform a soft reset.
3. Low Storage Space
If you experience performance issues or receive low storage warnings, check your phone's storage usage. The 'Others' category can sometimes consume significant space. Regularly clear temporary files and move media to your microSD card.
4. Performing a Soft Reset
A soft reset can resolve many minor software issues without erasing your data.
- Press and hold the Power button and the Volume Down button simultaneously for approximately 10 seconds.
- The device will vibrate and restart. You can release the buttons once the vibration occurs.
Specifications
| Feature | Detail |
|---|---|
| Brand | Nokia |
| Model Name | Lumia 520 |
| Operating System | Microsoft Windows Phone 8 (upgradeable to WP8 Black) |
| CPU Speed | 1 GHz Dual-Core Processor (Qualcomm MSM8227) |
| RAM Memory | 512 MB |
| Internal Storage | 8 GB |
| Expandable Memory | microSD up to 64 GB |
| Screen Size | 4 Inches |
| Display Type | IPS LCD Capacitive Multi-Touchscreen |
| Display Resolution | 800 x 480 (WVGA) |
| Main Camera | 5 MP (2592 x 1936 pixels) with Autofocus |
| Video Capture Resolution | 720p @ 30 fps |
| Connectivity | 2G GSM, 3G WCDMA, Wi-Fi, Bluetooth |
| GPS | Built-In GPS, GLONASS, Geo-Tagging |
| Battery Capacity | 1430 mAh |
| Dimensions | 119.9 x 64 x 9.9 mm (4.72 x 2.52 x 0.39 in) |
| Weight | 124 g (4.37 oz) |
| SIM Card Slot Count | Single SIM |
| Headphones Jack | 3.5 mm |
Warranty and Support
This Nokia Lumia 520 is an international version. Please note that some manufacturers may not honor warranties for international version phones in certain regions, such as the US. For specific warranty information and support, it is recommended to contact the seller directly or refer to the documentation provided at the time of purchase.