SPD Diag Mode se Spreadtrum devices ke critical functions perform kiye jate hain, jese ke:

• IMEI repair
• Network unlocking
• NV memory modification
• Debugging aur firmware troubleshooting

📡 1. IMEI Repair & NV Data Modification

• IMEI repair karne ke liye
• NV (Non-Volatile) memory modify karke network issues fix kiye jate hain

📶 2. Network Unlocking & Band Modification

• SIM unlock karne aur network bands enable/disable karne ke liye

📥 3. Modem Debugging & VoLTE Settings

• Modem settings modify karne aur VoLTE, 4G, LTE configuration ke liye

⚙️ 4. Firmware Debugging & Hidden Settings Access

• Flashing issues diagnose karne aur hidden system settings access karne ke liye

Method 1: ADB Command Se

1. USB Debugging enable karein.
2. Phone ko PC se connect karein.
3. ADB command run karein:
   

   adb shell
   setprop persist.sys.usb.config diag,adb
   reboot
               

4. Phone reboot hone ke baad Diag Mode enable ho jayega.

Method 2: Hardware Test Points Se

1. Phone ka back cover khol kar motherboard ka test point locate karein.
2. Test point ko ground se short karein aur phone ko USB se connect karein.
3. Device Diag Mode me enter ho jayega.

• Galat NV data modify na karein, warna phone network lose kar sakta hai.
• IMEI repair sirf legal purposes ke liye karein.
• Diag Mode enable karne se pehle QCN ya NV data ka backup zaroor lein.

SPD Diag Mode ka istemal karke aap IMEI repair, network unlocking, NV data modification, aur debugging kar sakte hain. Diag Mode activate karne se pehle hamesha QCN ya NV data ka backup lein.

1. Q1: SPD Diag Mode kis liye use hota hai?
   A: IMEI repair, network unlocking, NV data modification, aur firmware debugging ke liye.
2. Q2: Diag Mode activate karne ke do tareeqe kya hain?
   A: ADB command se aur hardware test points se.
3. Q3: ADB command se Diag Mode enable karne ka command kya hai?
   A: adb shell setprop persist.sys.usb.config diag,adb ke baad reboot.
4. Q4: Diag Mode se modem aur NV data ka access kis liye hota hai?
   A: IMEI repair, network calibration, aur diagnostic logs ke liye.
5. Q5: Diag Mode activate karne se pehle backup kyun lena chahiye?
   A: Taake agar NV data corrupt ho jaye to asani se restore kiya ja sake.

1. Q1: SPD Diag Mode se ______ repair ki jati hai.
   Jawab: IMEI
2. Q2: NV data modify karke network ______ fix kiye ja sakte hain.
   Jawab: issues
3. Q3: Diag Mode ko enable karne ke liye ADB command me ______ set kiya jata hai.
   Jawab: persist.sys.usb.config diag,adb
4. Q4: Diag Mode se modem settings aur ______ access hota hai.
   Jawab: NV data
5. Q5: Diag Mode activate karne se pehle QCN ya NV data ka ______ lena chahiye.
   Jawab: backup

1. Q1: SPD Diag Mode ka primary function kya hai?
   A: SPD Diag Mode se IMEI repair, network unlocking, NV data modification, aur debugging ke liye access milta hai.
2. Q2: ADB command se Diag Mode enable karne ka process kya hai?
   A: USB Debugging enable karne ke baad, PC se device connect kar ke adb shell setprop persist.sys.usb.config diag,adb command run karke phone reboot karne se Diag Mode activate ho jata hai.
3. Q3: Hardware test points se Diag Mode kaise activate hota hai?
   A: Phone ka back cover khol kar motherboard par test point locate kar ke, usay ground se short karne se Diag Mode enable ho jata hai.
4. Q4: Diag Mode activate karne se pehle backup kyun lena zaroori hai?
   A: Taake agar NV data ya QCN file corrupt ho jaye to usay restore kiya ja sake.
5. Q5: Diag Mode ke zariye modem aur NV data ka access kis liye kiya jata hai?
   A: IMEI repair, network calibration, aur diagnostic logs retrieve karne ke liye.

1. T/F 1: SPD Diag Mode se IMEI repair aur network unlocking hoti hai.
   Jawab: True
2. T/F 2: ADB command se Diag Mode enable karne ke liye USB Debugging off karna zaroori hai.
   Jawab: False
3. T/F 3: Hardware test points se Diag Mode activate kiya ja sakta hai.
   Jawab: True
4. T/F 4: Diag Mode se modem settings aur NV data access hota hai.
   Jawab: True
5. T/F 5: Diag Mode activate karne se pehle backup lena optional hai.
   Jawab: False