How to unlock sim block reset and network in Huawei U8520 Duplex

How to unlock sim block reset and network in Huawei U8520 Duplex

The U8520 powered by features Android 2.2 Froyo comes equipped with HVGA resolution screen, 3 megapixel camera, a 1GHz processor, Wi-Fi, and GPS. Although Huawei U8520 has a dual SIM card slots, but only one slot can support 3G network, while the other slots can only run on GSM networks. Huawei U8520 also appeared in several sites in China and Australia, so other than in the United States Huawei U8520 also be launched in China and Australia and possibly in other countries.
CPU: 600 MHz Processor, Adreno 200 GPU, Qualcomm MSM7227 Chipset, Digital Compass, SNS Integration, Google Search, Gmail, Talk, Organizer, Document Viewer, Photo Viewer & Editor, Adobe Flash Support, Voice Memo & Dial, Predictive.

What You can find in Huawei U8520 Duplex ?

General 2G Network GSM 850 / 900 / 1800 / 1900 – SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 – SIM 1 only
HSDPA 850 / 1900
SIM Dual SIM (Mini-SIM, dual stand-by)
Announced 2011, October
Status Available. Released 2011, October
Body Dimensions 112 x 57 x 12.7 mm (4.41 x 2.24 x 0.5 in)
Weight 109 g (3.84 oz)
– Touch-sensitive controls
Display Type TFT capacitive touchscreen, 256K colors
Size 320 x 480 pixels, 3.2 inches (~180 ppi pixel density)
Sound Alert types Vibration; MP3 ringtones
Loudspeaker Yes
3.5mm jack Yes
Memory Card slot microSD, up to 32GB, 2 GB included
Internal 150 MB, 512 MB ROM, 256 MB RAM
Data GPRS Yes
Speed HSDPA, 7.2 Mbps; HSUPA, 384 Kbps
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
Bluetooth Yes, v2.1 with A2DP, EDR
USB Yes, microUSB v2.0
Camera Primary 3.15 MP, 2048×1536 pixels
Features Geo-tagging
Video Yes, 480p
Secondary Yes, VGA
Features OS Android OS, v2.2 (Froyo)
Chipset Qualcomm MSM7227-1
CPU 600 MHz ARM 11
GPU Adreno 200
Sensors Accelerometer, proximity, compass
Messaging SMS (threaded view), MMS, Email, IM
Browser WAP 2.0/xHTML, HTML, Adobe Flash
Radio Stereo FM radio
GPS Yes, with A-GPS support
Java Yes, via Java MIDP emulator
Colors Black
– Active noise cancellation with dedicated mic
– SNS integration
– Google Search, Maps, Gmail, Talk
– MP3/WAV/eAAC+ player
– MP4/H.263/H.264 player
– Organizer
– Document viewer
– Photo viewer/editor
– Voice memo/dial
– Predictive text input
Battery Standard battery, Li-Ion 1500 mAh
Stand-by Up to 120 h (2G) / Up to 120 h (3G)
Talk time Up to 7 h (2G) / Up to 7 h 30 min (3G)
Music play Up to 20 h

To get unlocking code for Huawei U8520 Duplex please do as follow:

1. go to and choose Your Huawei model or go directly to unlock by code Huawei U8520 Duplex
2. press “Unlock Huawei U8520 Duplex”
3. Choose unlock product for Your Huawei ( in some cases only one product is available )
4. Enter your Huawei IMEI number and if needed other required information.
5. press “order code”
6. at shopping cart fill all needed information like name, e-mail and others
7. Pay for an unlock code
8. after average time (check how much it takes for chosen product) You will receive all codes and unlock guide to Your Huawei U8520 Duplex .

Easy way to enter unlock code to Huawei U8520 Duplex :

To enter unlock code for Huawei phones insert foreign (Unaccepted) SIM card and enter the code.

What You can do if Your Huawei U8520 Duplex work only with one sim card ? You can unlock it using
Unlock code will be sent to email, and your Huawei will be permanently Unlocked to work on any GSM Carrier, and you can use any sim card operators such as Movistar, Rogers, O2, Orange, T-mobile, Vodafone, Telenor, Telia, Hutchison, Telenor etc.
We give You 100% working codes from Huawei servers.
We need Your Huawei U8520 Duplex IMEI number to unlock it.

Why unlock Huawei U8520 Duplex and why choose ?
– there is no risk of damage Your Huawei U8520 Duplex by unlocking it.
– we Guarantees fastest time and lowest prices
– our support will answer to Your question and problems while unlocking Huawei U8520 Duplex
– can be used each sim card from all world
– cutting down on the cost of calls and text messages
– opportunity to buy a foreign SIM card in another country to avoid roaming charges

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