Fly Cirrus 1 FS502 (SC7731) Stock Rom, Official Firmware Update (FRP RESET)

Specifications / Overview:

Announcement: 2015, August

Networks: UMTS 900 2100, GSM 850, 900, 1800, 1900

Internet: HSDPA 21,1 Mbit / s, HSUPA 5,76 Mbit / s, EDGE class 12

Wi-Fi: b / g / n, 2,4 ГГц

Screen: S-IPS, 5 ", 720x1280, touch screen, capacitive, multi-touch 5

OS: Android 5.1 Lollipop

Iron: 1.2 GHz, Spreadtrum SC7731, 4 Cortex A7 nucleus, Mali-400 MP2

Memory: 1 GB of RAM 8 GB ROM, Micro-SD to 32GB

Battery: Li-Ion, 2050 mAh, 7.79 Wh

Weight: 143.7 g

Dimensions: 142.7 x 72.45 x 8.8 mm

Photos: 8 MP, flash, autofocus

Front: 1.9 MP

Radio: yes

Bluetooth: v2.1, A2DP

Navigation: GPS, A-GPS

SIM card 2, Micro-SIM

Flashlight: yes

* Download the firmware Fly Cirrus 1 FS502: *

FLY_FS502_SC7731_OTA_SW08.zip  SIZE: 772MB

Instructions for the firmware:

(Phone has to be charged).

1. Download the firmware

2. Copy the firmware to the memory card (preferably empty)

3. Remove and insert the battery. Wait 30 seconds

4. Hold down the power button through the 1-second hold volume down button (-)

5. The fly screensaver release the power button, hold down the volume down button (-) until the underlying icon droid, release the volume down button (-).

6. Press the power button and hold it down, press the volume up button (+). Recovery menu appears.

7. Use the volume control button (+ / -) move the cursor to "apply update from external storage".

8. Select the menu item using the button on / off the phone.

9. Select the firmware file (using the volume keys to navigate through the menu and power button to select).

10. Wait for the installation process.

11. Select "reboot system now" (using the volume keys to navigate through the menu and power button to select).

Operating method for removing the FRP lock  Fly Cirrus 1 FS502 and other patterns  on SPREADTRUM (SPRD) processor:

DOWNLOAD official firmware to your phone, better than the same version as on your phone, or a version of a large (for the earlier version of success is not guaranteed, that way as producers love to change the addresses of partitions (partition) firmware from version to version on the provided processor, if firmware version lower than the set - addresses have every chance of remaining old (more precisely, those that you have in your phone) and erasing is not guaranteed).

Find drivers for spreadtrum phones and programku flasher ResearchDownload R2.9.9017 version or higher. Do I need ResearchDownload, FACTORYDOWNLOAD - will not work! or searches the branches for the rest spreadtrum phones)

Set way setup.exe start driver. 

If a confirmation window will pop up installation nepodisannyh drivers (unless you have disabled control Driver's signature) - choose "install anyway". Total required to be 4-D posts. 

Charge your phone for at least 80%. 

Distort the phone battery. 

Clamp on the phone off cells. "Minus the volume" and not releasing it to connect your phone to a computer. 

Will the process of installing the drivers of virtual COM-ports. 

After installing the drivers - disable the phone.

Run ResearchDownload. 

Press the key with the first pinion and specify your firmware file (PAC) file. 

We look forward to unpack the firmware. 

(On the disc, where the lies you ResearchDownload should be free 4 GB). After unpacking, you are required to become available in other panel keys.

Click on the second cells. with 2 gears. 

In the Options window, go to the tab "JIG Control" and remove all the jackdaws "Enable JIG ..." in the section "JIG State". 

"You have not enable any JIG!"Press"ОК". 

This news informative and everything does not affect.

Go to the tab "Backup" and becomes the checkbox "Save NV to local". 

This will allow us to save NVRAM reformatting. 

The program itself will fill the saved NVRAM ago when the firmware after formatting.

Go to the "Flash Operations" tab. 

At the bottom put the check on the "Erase All Flash".

Go to the tab "Options" and remove the checkbox with "Reset to normal"

Click the button below "OK".

The key panel programki third click the arrow button (Start). 

At the message "Do you really want to delete all flash memory in the phone?" The answer is - yes (yes)

Distort the battery in the phone. 

Clamp on the phone off cells. "Minus the volume" and not releasing it to connect your phone to your computer. 

The window of the program is required to process begun by the firmware. 

In the column "Progress" percent fill and format for each partition, and column Time (s) - time.

Only after such as in the column "Progress" sign appeared greenish color "PASSED!". - Click the Stop button (fourth from the square).

Disconnect the phone. 

Distort the battery. 

Turn on the phone. 

We are waiting the first initialization firmware after pouring (very long, up to 5 minutes).

As a result, you get a clean unlocked phone. !!!