Official firmware zte v815w. ZTE V815W firmware. Operational failure reasons
The phones of the Chinese company ZTE are very attractive for their low price, available to absolutely everyone. They have quite good specifications and high quality, so it is not surprising that smartphones from this manufacturer are very popular in the market.
However, no matter how good these devices are, their owners usually sooner or later have to reflash their own mobile device... Standard chinese firmware ZTE phone raises a lot of complaints, and over time it starts to glitch and slow down.
The main thing to know in such a situation is that reflashing ZTE gadgets is not at all difficult and costs absolutely nothing. To do this, it is enough to spend half an hour of your time and download just a few programs. We will tell you how the firmware on the ZTE v815w works in a detailed guide.
Before flashing, make sure your phone is at least 50% charged and also do backup all the data on it.
Algorithm of actions
First of all, you need to download the firmware for the ZTE v815w on the official website. Our instructions are suitable for installing only official firmware. To install custom firmware, you must first install custom recovery - this issue will be discussed in other articles.
Now let's figure out how to flash a phone. We do the following:
- Download the firmware downloaded above (update.zip file) to the SD card;
- If the phone works, we try to update via the menu item Settings - Update - Update using memory card.
- If the smartphone does not turn on, enter Recovery Mode: to do this, when turning on the phone, you need to hold down the volume + button;
- Use the volume down key to select “apply update from SDcard ". To enter it, press the volume +;
- Select the previously downloaded firmware file update.zip.
- Press the power key to start. We make the installation. The system will ask you if you are ready to delete all data from your smartphone (this is inevitable when changing firmware). We agree and wait.
- After a couple of minutes, the process will complete successfully. You will return to service menu, from which you can exit with the power button. You can turn on the phone and carry out its initial setup.
The phone will turn on for the first time in a few minutes. Don't worry: when you change software, the system always takes longer to boot. In the future, the smartphone will load and reboot faster - as usual. If the installed software suits you and the phone works better after reinstalling it than before, then congratulations - you yourself solved the problem and installed a new firmware on the gadget.
Official android firmware 4.4 [stock ROM file] -
ZTE custom firmware -
If a custom or official firmware on ZTE, then create a topic on the forum, in the section, our specialists will promptly and free of charge help, incl. with backup and manuals. Just do not forget to write a review about your smartphone - this is extremely important. This page will also show firmware for the ZTE V815W. Please note that this ZTE model requires an individual ROM file, so you should not try firmware files from other devices.
What custom firmware are there?
- CM - CyanogenMod
- LineageOS
- Paranoid Android
- OmniROM
- Temasek's
- AICP (Android Ice Cold Project)
- RR (Resurrection Remix)
- MK (MoKee)
- FlymeOS
- Bliss
- crDroid
- Illusion ROMS
- Pacman ROM
Problems and disadvantages of a smartphone from ZTE and how to fix them?
- If V815W does not turn on, for example, see white screen, hangs on the screen saver, or the notification indicator only blinks (possibly after charging).
- If it freezes when updating / freezes when it is turned on (needs a flashing, 100%)
- Doesn't charge (usually iron problems)
- Doesn't see the SIM card (SIM card)
- The camera does not work (mostly hardware problems)
- Sensor does not work (depending on the situation)
Hard Reset for ZTE V815W
Instructions on how to do Hard reset on ZTE V815W (factory reset). We recommend that you read the visual guide, which is called on Android. ... 
Reset codes (open the dialer and enter them).
- *2767*3855#
- *#*#7780#*#*
- *#*#7378423#*#*
Hard Reset via Recovery
- Turn off the device-\u003e go to Recovery
- "Wipe data / factory reset"
- "Yes - delete all user data" -\u003e "Reboot System"
How to log into Recovery?
- hold down Vol (-) [volume down], or Vol (+) [volume up] and the power button
- a menu with the Android logo will appear. Everything, you are in Recovery!
Factory reset on ZTE V815W can be done in a very simple way:
- Settings-\u003e Recovery and reset
- Reset settings (at the very bottom)
How to reset your pattern
How to reset your pattern if you have forgotten it and now you cannot unlock your ZTE smartphone. On the V815W model, the key or PIN can be removed in several ways. You can also remove the lock through a factory reset, the lock code will be deleted and disabled.
- Reset graph. blocking -
- Password reset -
How do I update the software?
We provide you with different ways to update the software, namely: update using a memory card or update "over the air".
To update "over the air" you need to connect to a Wi-Fi or GSM Internet connection and check for updates in the settings.
What if the operating time of the device does not coincide with the operating time declared by the manufacturer?
A smartphone is a complex electronic device that includes the functions of a pocket computer and cell phone and consumes a lot of energy for these functions to work. The main amount of energy is spent on the operation of the display module and the GSM transmit-receive path. The brightness of the display is automatically set to maximum in very bright environments (sunny day) or set by the user to manual mode... Maximum brightness consumes maximum power. During GSM operation and with stable and stable reception "at maximums" the device consumes a minimum amount of energy to maintain communication. In case of an unstable and weak network signal, the machine needs more power to maintain communication. In the case of "Search Network" in an area with no network, the device consumes the maximum amount of energy, which is spent on searching for the nearest base stations... To reduce the energy consumed by the phone, you need:
1. Disable GPS if not required.
2. Disable mobile Internet if not needed.
3. Disable or remove unnecessary unused applications. they are active and consume the internal resources of the apparatus.
What should you do if the phone freezes, does not turn on or reboots?
Most of the time, third-party software or programs are responsible for the restart or freeze.
1. Initially, we recommend that you restore the default factory settings (after saving the information you need). If the phone turns on, select the "factory reset" option in the device menu. If the device does not turn on, turn on the device in " Recovery mode"and select" wipe data / factory reset ". The way to enable" Recovery mode "is described below in" How to enter Recovery mode? "
2. If a factory reset does not help, update the software. The software update methods are described in the "How to update the software?"
3. If updating the software does not help, contact your nearest ZTE Authorized Service Center.
How to back up data, notebook or "Back Up"?
There are 3 ways to do Back Up:
1. In the phone settings, in the "Restore and reset" submenu, check the box for restore.
2. You can transfer the necessary information to your computer using a USB cable.
3. You can back up using a third party program.
What should I do if I forgot my password or pattern to unlock the screen?
If you have forgotten your pattern or digital password to unlock the screen, you need to perform a reset to factory settings: 1. Turn on the device in "Recovery mode" and select "wipe data / factory reset". 2. If the procedure is not followed, it is required to contact a ZTE Authorized Service Center.
How to use wireless networks (Wi-Fi, BT)?
1. Turn on Wi-Fi in the device settings. Click on the Wi-Fi icon and you will be taken to the Wi-Fi network management screen.
2. The machine will automatically search for active Wi-Fi networks in the access zone from 5 to 50 meters to the access point (depends on the power of the access point).
3. Select the network you need and click on it. If wireless network password protected, enter it.
4. After connecting to the desired network, the Wi-Fi icon will appear on the main screen of the device.
How to turn on the distribution of the Internet on the phone (USB modem or WiFi router)?
There are two ways to enable tethering on your phone. The first way is to enable sharing as a USB modem, the other is to enable sharing as a WiFi router. Make sure that your device has access to the Internet in order to distribute it:
1. USB modem - the method is used to distribute the Internet to a computer. Connect your phone to your computer using a USB cable and allow data access. "Settings-\u003e Wireless networks-\u003e More" Modem mode - check the USB modem checkbox. Then the phone will start distributing the Internet to the computer. To stop the distribution, uncheck the USB modem or simply disconnect the cable connection.
2. WiFi router - make sure you have a stable internet connection through mobile network or USB. "Settings-\u003e Wireless networks-\u003e More" Modem mode - check the "WiFI access point" checkbox. For guard wireless connection click on the hotspot icon then click "Hotspot wiFi access". In this menu, you can set a name and password for your wireless WiFi connection... Your phone will start working as a WiFi router. To stop distribution, uncheck "WiFi router"
How can I quickly see the charging status?
Press the power button while charging. The battery charge status will be shown on the main screen of the phone.
Why is the volume of free memory of the device less than stated by the manufacturer?
Unlike a processor, which has its own built-in memory, other devices, such as a video processor, an audio processor, and other devices included in the element base of the device's central board consume user memory resources. A certain amount of memory is previously reserved for internal needs, but in case of an overflow, user memory is used.
What types of device lock can I use?
There are 3 types of screen lock. Select one of the lock types in Settings -\u003e Security -\u003e Screen lock.
1. Blocking graphic key
2.Pin lock 3.Password lock
What is the operating temperature zTE phones?
Working temperature is in the range from (-10C) to (+ 50C).
What does ROOT mean?
ROOT is "administrator rights". ROOT allows you to change system files, modify the system, install test programs and perform other actions. ROOT rights are hidden from users, but can be activated if necessary.
Be careful, careless handling ROOT rights can harm your operating system.
How to enter Recovery mode?
In the off state, simultaneously hold down the volume button (increase +) and the power button.
What to do if the battery does not charge 100%?
The battery of the device is designed in such a way that it dissipates part of the charge received and can later be recharged. This feature is designed to protect the battery and increase its performance. In case the battery does not charge more than 80%, contact an Authorized ZTE Service Center.
How can I add Google account into the apparatus?
1. When you turn on the smartphone for the first time, you will be prompted to register new google account or use an existing one. But this is not a mandatory procedure.
2. To add an account at any time, you can register a new or use an existing account: Settings-\u003e Accounts and "add account".
How do I enable USB debugging? How do I get access to the Developers menu?
Enter "Settings-\u003e About phone-\u003e Click on" Build number "a few times. Then you will have access to the" For developers "submenu. In this submenu there is" USB debugging "and other functions for developers
How do I connect my phone to a PC?
Follow these steps to install the driver (automatically).
1. Connect your phone to your computer.
2. When connected, select " Virtual disk"or" Virtual CD "depending on the model.
3. The computer should determine additional disk, run "Autorun.exe" on it and install the driver
4. If the drivers are not installed, go to "Settings-\u003e For Developers" and enable the "Disk driver". (10 times click on "Build version"
5. When you enable (USB debugging), the driver will also be automatically installed.
What do the letters E, G, H mean?
When the phone's data transfer is active, the following symbols appear on the status bar (indication of signal reception, battery capacity, etc.):
- E means active work of the EDGE protocol
- G means active work of the GPRS protocol
- H means the active work of the HSDPA protocol, which is part of WCDMA
To begin with, Zte is the second largest telephone product company in 2011. The line of smartphones from this manufacturer has a good price-quality ratio.
The Zte v815w smartphone was released in September 2014, but the phone is still relevant due to the powerful processor for such models. Processor frequency 1000MHz, rAM 512MB, screen diagonal 4 inches. The phone is especially suitable for those who are tired of modern fashionable "paws".
The manufacturer maintains the phone, releases updates until it sells well, after which we will have to update the device ourselves. It is true that you should install an alternative firmware only in that situation, if the problems with the phone cannot be solved otherwise.
What do you need to flash Zte v815w to android 5.1?
1.First, it's worth downloading drivers for your phone. If you are downloading an archive, then extract the contents to any folder, let's say on your desktop.
2. We connect a PC and a smartphone using a USB cable.
3. We go to the Device Manager.
4. In the "other devices" folder, select your phone.
5.Click on the name of the phone right click mouse and select the item "update drivers"
6.Select the manual installation of drivers, in the field that opens, specify the path to our folder into which the drivers were unpacked.
Next, you need to install the SP FlashTool program and download the firmware image for our smartphone to any folder on your PC.
The next step is to disconnect the phone from the computer, launch Flashtool and click on "Scatter-loading"
You should select a file from the archive with firmware "MT6572_Android_scatter.txt".
Then mark all items except PRELOADER, СACHE, USRDАTA.
Then click Download, reinstall the mobile battery, and then connect the phone to the computer.
A “Download OK” message will appear - this means that you can pull out the USB cable and restart your smartphone.
It is difficult to come to terms with the forced situation when the smartphone is suddenly discharged, and there is not a single possibility to charge the battery.
Cut off from the whole world, be left without a means of communication modern man terribly difficult, so it is not surprising that when going on a trip, on long trips, the owners modern gadgets stocked up with additional chargersensuring the correct operation of the devices.
However, it is not only a discharged battery that can bring unpleasant surprises. The operating system of the smartphone also competes with this, often accompanied by various failures, as a result of which even a charged device refuses to perform some actions.
Many users are not satisfied with the standard ZTE firmware and they decide to reflash their smartphone
Faced with such a problem, most users decide to flash their ZTE smartphone in order to safely get rid of the annoying problems.
There are several circumstances forcing the owners of modern devices to invade the "inner world" of their electronic friend.
Armed with information about the reasons that can provoke system failures, it is much easier for smartphone owners to warn the gadget against sad consequences or recognize them in time and take actions that eliminate all problems that get in the way.
Operational failure reasons
It may happen that your favorite ZTE smartphone has stopped working. The reason may lie in its mechanical damage, when it was handled carelessly, often dropped on the floor, moisture got on it. It is also quite possible that the device components fail.
Unfortunately, it is impossible to solve the problem of mechanical damage to the smartphone at home, so it is correct to attribute it to service center... Qualified craftsmen will carry out effective "resuscitation" measures and breathe new "life" into the gadget.
Another reason that at some stage the smartphone starts to reboot, turn off by itself, is a failure operating system... You can solve this problem at home, but only with appropriate preparation.
It is very important to get ready, because the ZTE v815w firmware itself may be unsuccessful if it was installed accompanied by gross errors.
So, those who have noticed the incorrect operation of the gadget, who decided to optimize the operation of the system by installing an updated version of the firmware, are interested in how to flash the ZTE v815w, about which positive responses have been widely spread.
Flashing process
Many owners of modern gadgets will be able to flash a ZTE smartphone if they first receive a "portion" of useful information, which allows them to thoroughly understand how to reflash a ZTE v815w.
In this case, you can take the risk and do everything yourself, saving financial resources, as well as increasing your level of knowledge of modern devices.
Firmware algorithm
Programmers periodically give users a variety of useful products that allow many operations to be carried out not only quickly, but also easily.
One of these software products is the CWM application, focused specifically on the process of installing the operating system for smartphones ZTE.
It is recommended to download and install this application in advance. Also, get information about your smartphone, since it is advisable to use a Gen 2 device for firmware.
Unfortunately, not all smartphones are accompanied by such an execution, you can also find variants where there is Gen 1. In this case, you have to take one additional step.
It is easy to find the CyanogenMod application on specialized forums, which can act as a successful assistant in translating the Gen 1 version to Gen 2.
First, turn off the phone, then simultaneously hold down the two keys "-" and "on", after that the message "FTM" should appear on the screen. Only after that you need to connect your smartphone to your PC.
It remains to find boot file download_nochecksGen2 with an exe extension, launch it, wait for the process to complete and make sure that the smartphone now has the desired Gen 2 performance.
Smartphone flashing begins by formatting the flash card. In some cases, you have to run the formatting process more than once. Unfortunately, sometimes there is no other option, how to replace the flash card, so you have to resort to such a replacement. This applies in most cases to cheap and too low quality flash cards.
Now, safely copy the previously downloaded firmware onto the prepared flash card. Do not forget to make sure that the computer helps the smartphone to successfully identify in the CWM application.
It's so simple, just find the "Mount USB storage" parameter in the main menu, click on it, then copy the firmware file, and then click on another "Unmount" parameter.
The next stage involves a direct process during which the firmware is installed on the smartphone.
In Recovery, find the "Install zip from sdcard" parameter, click on it and follow all the recommendations that will be displayed on the screen. After completing the process, you need to restart your smartphone. The "Reboot system now" parameter will help you with this.
Now, after launching your smartphone, you can enjoy your work own smartphonewhere is installed new firmware... This method of installing new firmware versions is only suitable for ZTE Blade smartphones.
So, the owner himself will be able to restore the performance of a smartphone with which he does not want to say goodbye and purchase a new device, if he values \u200b\u200bhis device very much.
If the first attempt failed, the firmware was installed incorrectly, which is reflected by the low performance of the device, you can repeat the process.
Only this time it is imperative to show increased vigilance, as well as download the firmware version from trusted resources. It is not recommended to trust all sources that describe their offer with tempting phrases.
Along with them, you can download additional "gifts" in the form of malicious software that can seriously harm your smartphone.
