Celkon A9 Plus Pattern Lock, Hard Reset, Hang on logo, Restarting done

Must Read Users:

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.

• Celkon A9 Plus device (here not need to battery for that done)
• Volcano box or your can use other box
• Pro Series Service Cable (7pin)
• Computer or Laptop

Read Info Procedure:

• Connect Volcano box to Computer or Laptop
• Open Volcano box
• Go to SPD(Spreadtrum) tab
• Choose correct boot : Built-in Boot_14(6820/8810)
• Click on Read Info option
• Click on Auto-detect Pinouts
• Last click on Start button
• Wait until full process (note: do not touch device)

Celkon A9 Plus Pattern Lock done with Volcano box Logs:

  Available Ports:COM1 COM45 COM90   
  Detection initiated...  
  Vcc: null  
  Gnd: 7  
  Analyzing D+ and D-...  
  D+ = 4, D- = 3  
  Detection D+/D- with 1.08 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: 009800BC90667600  
  Flash Type:[TOSHIBA] TYBC0A111236KC10  
  FLASH LEN:0x20000000  
  mtdparts=sprd-nand:256k(spl),512k(2ndbl),256k(params),512k(vmjaluna),10m(modem),3840k(fixnv),3840k(backupfixnv),5120k(dsp),3840k(runtimenv),10m(boot),10m(recovery),215m(system),175m(userdata),60m(cache),256k(misc),1m(boot_logo),1m(fastboot_logo),3840k(productinfo),512k(kpanic)  
 >>Analysis flash internal data successfully.