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Unlock O2 Xda Mantle (HTC Sedna)

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How to unlock O2 Xda Mantle (HTC Sedna)?

1. Unlock O2 Xda Mantle (HTC Sedna), locked by the operator.

2. Unlock O2 Xda Mantle (HTC Sedna), depending on the manufacturer.

3. Conduct unlock SIM card.

4. Restore the phone capacity, which has been locked memory.

5. Unlock java games

6. Remove the graphic lock, password from the smartphone



How to unlock the phone, locked the operator?
A phone with this type of blocking cannot be used in the network of another operator. When you turn on the phone with a SIM card of another operator, you will need to enter the unlock code.
The operator blocks the phone using a unique IMEI number. To unlock your phone, you need to buy an unlock code to change the operator, this can be done on special sites.


Unlock your phone, depending on the manufacturer.
On some phones, you can lock the screen using a password that you set yourself. To unlock your phone with this password, if you've forgotten it, you need to reset your phone to factory settings.



Unlocking phone SIM card
A small plastic card with a chip in the middle - it's indispensable device without which the mobile phone is simply useless as such. It is, of course, on the SIM card. The chip, which it applies, although the small size, but allows you to keep a certain amount of information, which is often confidential. For the safety of the data is also used to protect the technology with the help of the so-called PIN-code that is requested to be turned off. If you unsuccessfully enter the PIN three times, the mobile device will prompt you for a different code, the so-called PUK-code is. It usually consists of eight digits and is provided to you together with the SIM card. If you can not use the phone because of the ignorance of the PIN-code, just use the PUK-code. The PUK code can be found in the documents for the SIM card, if they are lost, then you can either call the mobile operator, or contact the nearest customer service center, taking the SIM card and phone with you. You will be prompted with the PUK code.

Unlock your phone memory
Some phone models allow you to set a password to access the phone memory or memory card. If you forget this password, you need to use special software such as JetFlash Recovery Tool. You can download it from the official website of the developers.



You must be aware of your actions and understand that you can simply break the phone and you cannot restore it. Therefore, if you do not know how to unlock your phone memory, it is best to seek professional help.


Unlock java games
To play the games that come pre-installed on your phone, sometimes you need to buy a special code to unlock all their functions, without having to reinstall them.
To buy the game you need to follow the instructions after choosing to buy the game, you will need an Internet connection and the ability to pay by credit card.


How to remove the graphic lock, password from the smartphone?
If you have forgotten your pattern or password, you have several ways to unlock your phone.
The first way. After several unsuccessful attempts to Enter a pattern, you will be prompted to enter your Google account login and password.
The second way. If you do not know the login and password for the Google account, you need to reset your phone to factory settings by doing a hard reset operation. You will have to re-configure your phone and install your favorite applications.
For android phones, the hard reset procedure is almost the same, there are only small differences, a detailed description for each specific model you can find on our website. Here we will tell the general list of actions.
-Turn off your phone with the Power button.
-Press the Power and Volume Up buttons together for a few seconds.
-As a result, the phone will boot into «Recovery mode».
-Use the volume buttons to navigate the menu, and use the Power button to select.
-Select «Wipe data / factory reset» from the menu.
-Now from the Recovery mode menu select «Reboot system now».
-The phone will reboot and will be like a store.
The third way. Unlock your smartphone using the smartphone manufacturer's unlock tool. For example, Samsung has developed its own «Find My Mobile» service to track and manage mobile phone access.
The fourth way. Remove your password using your Google account if you can connect to it on your computer. Your Google account on your computer has a function to delete data on your phone and remote reset, which will erase all data, including the lock password. Find My Device and Location must be active on your phone. A Google account and 'Play Market' must be configured on the smartphone.

Summary: Design: Classic; SIM cards standard: Mini Sim - Regular; GSM: 850 900 1800 1900; UMTS: 1900 2100; HSDPA: Dimensions (H/L/W): 137.4 x 72.9 x 20.5 mm, vol. 201 cm³; Display: TFTColor (65K) 240x320px (2.8") 143ppi; Touch screen: yes; Weight: 220 g; Time GSM (talk/stand-by): 7 / 360 hrs. (15.0d); Time UMTS (talk/stand-by): 4.3 / 348 hrs. (14.5d); Battery: Li-Ion 1600 mAh; Built-in memory: 1 GB; Memory card: MMC; Operating system: Windows Mobile 6.0; Chipset: Qualcomm MSM7200; CPU 1 frequency: 400.0 MHz; GPRS: Class 10; EDGE: yes; HSDPA: 3,6 Mb/s; HSCSD: no; Wi-Fi: 802.11b/g; Bluetooth: 2.0; USB: yes; IrDA: no; WAP: 2.0; XHTML: yes; SyncML: no; Data and fax mode ...

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Tarik Tonkov Mobile technology specialist

Tarik Tonkov is a computer scientist and programmer turned tech journalist with a keen interest in the world of smartphones and tablets. He previously wrote for Android Life and was also a ghostwriter for several technology and automotive publications. He appreciates the reliability and beauty of smartphones, the symbiosis of characteristics and usability. In his free time, Tarik likes to travel by car and polish his programming skills to create small useful programs.

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Comments, Questions and Answers about O2 Xda Mantle (HTC Sedna)

User 50005	August 21, 2017
Perhaps with the help of the login-password recovery tool from Google, you can avoid losing such valuable personal data on the phone. You can go to this link. By the way, login is usually the first part of the email address, that is, before @gmail. To find it easily, if the GMail email settings are on the computer (in fact, there and the password from the account is saved). If not, the login can be found by connecting the phone to the computer and running the corresponding HTC Sync. In the window "About the device" you can find the login you are looking for. Well, then you can try to recover the password.

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