This tutorial tested by me without any risk but this issue do fix to need box, if you use this tutorial or trick so remember you can't save any data like contacts, images, videos etc because this is full factory reset, and also must check your device battery if not full charged so coming error between do process, if error coming then your device will be dead so remember must this topic and also check micro usb cable if not good then your device not connect or other error show like usb not recognized with box tool, this tricks many problem solved like security lock, phone lock, memory card lock, contact lock, photo gallery lock, videos lock etc not let's go how to this many problem solve by box tool see below.
Required for that:
1. Micromax Bolt A26 device with good battery charged
2. Volcano box or Miracle box (you can use other chinless boxs if available option)
3. Pro Series Service Cable (7pin)
4. Computer or Laptop
Procedure:
ReadInfo Procedure:
1. Connect Volcano box to Computer or Laptop
1. Connect Volcano box to Computer or Laptop
2. Open Volcano tool
3. Go to SPD(Spreadtrum) tab
4. Choose Built-in Boot_14(6820/8810) option
5. Click on ReadInfo option
6. Tick on Auto-detect Pinouts option if not tick
7. Connect device with Pro Series Service Cable (7pin) cable to Volcano box
8. Last click on Start button then wait until full read info
9. You are done from ReadInfo
Micromax Bolt A26 Read Info done with Volcano box Screenshot:
Micromax Bolt A26 Read Info done with Volcano box Logs:
Available Ports:COM1 COM45 COM90
Current Port:COM45
Available Ports:COM1 COM45 COM90
Detection initiated...
Vcc: null
Gnd: 7
Analyzing D+ and D-...
D+ = 4, D- = 3
Detection D+/D- with 1.06 seconds.
Continue to detect BOOT pin...
Found [SPD] USB device: SCI USB2Serial,(VID_1782&PID_4D00)
UsbVcc(VCC) = 1, BOOT(Pull Down) = 5
Setting...
Find USB device:SCI USB2Serial (COM177), (VID_1782&PID_4D00)
Pinouts setting complete!
Internal version: SPRD3
Boot downloaded.
Start boot please wait a moment....
Spreadtrum Boot Block version 1.1
Boot downloaded.
CPU TYPE:SC8810/6820 [88100001]
Flash ID: 002C00BC90555600
Flash Type:[Micron] MT29C4G48MAZAPAKD
FLASH LEN:0x20000000
mtdparts=sprd-nand:256k(spl),512k(2ndbl),256k(params),512k(vmjaluna),1536k(fastboot_logo),2560k(boot_logo),3328k(fixnv),3328k(backupfixnv),3m(productinfo),3328k(runtimenv),8m(boot),8m(recovery),200m(system),202m(userdata),60m(cache),256k(misc),10m(modem),5m(dsp),512k(kpanic)
>>Analysis flash internal data successfully.
Format Procedure:
1. Connect Volcano box to Computer or Laptop
2. Open Volcano tool
3. Go to SPD(Spreadtrum) tab
4. Choose Built-in Boot_14(6820/8810) option
5. Click on Format option
6. Tick on Auto-detect Pinouts option if not tick
7. Connect device with Pro Series Service Cable (7pin) cable to Volcano box
8. Last click on Start button then wait until full read info
9. You are done from Format
Micromax Bolt A26 Format done with Volcano box Screenshot:
Micromax Bolt A26 Format done with Volcano box Logs:
Detection initiated...
Vcc: null
Gnd: 7
Analyzing D+ and D-...
D+ = 4, D- = 3
Detection D+/D- with 1.06 seconds.
Continue to detect BOOT pin...
Found [SPD] USB device: SCI USB2Serial,(VID_1782&PID_4D00)
UsbVcc(VCC) = 1, BOOT(Pull Down) = 5
Setting...
Find USB device:SCI USB2Serial (COM177), (VID_1782&PID_4D00)
Pinouts setting complete!
Internal version: SPRD3
Boot downloaded.
Start boot please wait a moment....
Spreadtrum Boot Block version 1.1
Boot downloaded.
mtdparts=sprd-nand:256k(spl),512k(2ndbl),256k(params),512k(vmjaluna),1536k(fastboot_logo),2560k(boot_logo),3328k(fixnv),3328k(backupfixnv),3m(productinfo),3328k(runtimenv),8m(boot),8m(recovery),200m(system),202m(userdata),60m(cache),256k(misc),10m(modem),5m(dsp),512k(kpanic)
Analysis flash internal data successfully.
>>Set to Factory successfully.
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