📡 1. IMEI & NV Data Repair

• IMEI repair aur QCN/NV backup/restore karne ke liye.
• NV data edit karke network signal issues fix kiye ja sakte hain.

📶 2. Network Unlocking & Band Selection

• SIM unlock karne ke liye SPD Diag Mode ka use hota hai.
• Network bands enable/disable karna mumkin hota hai.

📥 3. Modem Debugging & Calibration

• Modem settings ko modify karne aur network tuning ke liye.
• VoLTE, 4G, LTE settings ko customize kiya ja sakta hai.

⚙️ 4. Firmware Debugging & Hidden Settings Access

• System logs aur hidden settings ko access karne ke liye.
• Flashing issues aur debugging ke liye technicians is mode ka use karte hain.

Method 1: ADB Command Se Enable Karna

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 Enable Karna

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 mein enter ho jayega.

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

Agar aapko SPD Diag Mode se related tafseelat chahiye, to aap IMEI repair, NV data modification, network unlocking, aur firmware debugging ke liye is mode ka istemal 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, NV data modification, network unlocking, aur firmware debugging ke liye.
2. Q2: IMEI repair ke liye Diag Mode ka istemal kaise hota hai?
   A: Diag Mode se modem aur NV data access kar ke IMEI repair aur network calibration ki jati hai.
3. Q3: Diag Mode activate karne ke do tarike kya hain?
   A: ADB command se aur hardware test points se.
4. Q4: ADB command se Diag Mode enable karne ka command kya hai?
   A: adb shell setprop persist.sys.usb.config diag,adb aur reboot
5. Q5: Diag Mode activate karne se pehle backup kyun lena chahiye?
   A: Taake agar NV data corrupt ho jaye, to data restore kiya ja sake.

1. Q1: SPD Diag Mode se ______ repair ki jati hai.
   Jawab: IMEI
2. Q2: NV data backup lene ke liye ______ zaroori hai.
   Jawab: QCN
3. Q3: Diag Mode se network unlock aur ______ modify kiya jata hai.
   Jawab: calibration
4. Q4: ADB se Diag Mode enable karne ke liye command ______ run hoti hai.
   Jawab: setprop
5. Q5: Diag Mode ke zariye modem settings aur ______ access hota hai.
   Jawab: NV

1. Q1: SPD Diag Mode kis tarah se IMEI repair me madad karta hai?
   A: Diag Mode se modem aur NV data access karke, technicians IMEI repair aur network calibration karte hain.
2. Q2: Diag Mode activate karne ke do tareeqe kya hain?
   A: ADB command se aur hardware test points se.
3. Q3: ADB command ka istemal karke Diag Mode enable karne ka process briefly bayan karein.
   A: Phone me USB Debugging enable karke, PC se phone connect karein aur adb shell setprop persist.sys.usb.config diag,adb command run karke, phone reboot hone par Diag Mode activate ho jata hai.
4. Q4: Diag Mode me NV data access karne se kya faida hota hai?
   A: NV data access se IMEI repair, network calibration, aur diagnostic logs retrieve kiye jate hain.
5. Q5: Backup kyun lena chahiye Diag Mode activate karne se pehle?
   A: Taake agar NV data ya QCN file corrupt ho jaye, to asani se restore kiya ja sake.

1. T/F 1: SPD Diag Mode se IMEI repair aur NV data modification ki jati hai.
   Jawab: True
2. T/F 2: ADB command se Diag Mode enable karne ke liye USB Debugging disable 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 nahi hota.
   Jawab: False
5. T/F 5: Diag Mode activate karne se pehle QCN ya NV data ka backup lena chahiye.
   Jawab: True