✅ Method 1: Physical Buttons Se

1. Phone ko Power Off karein.
2. Volume Down + Power Button ko ek saath 5-10 seconds tak press karein.
3. Screen par Fastboot Mode show hoga.

✅ Method 2: ADB Command Se

1. Phone ko PC se connect karein (USB Debugging ON hona chahiye).
2. PC par Command Prompt (CMD) ya Terminal open karein.
3. Ye command likhein:

   adb reboot bootloader

4. Phone Fastboot Mode me chala jayega.

📍 Check Fastboot Mode Me Connected Devices

fastboot devices

✔ Agar serial number show hota hai to phone successfully connected hai.

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📍 Bootloader Unlock Karna (⚠ Data Wipe Hoga)

fastboot oem unlock

✔ Ye command bootloader unlock karti hai. (Xiaomi aur kuch devices me official permission chahiye hoti hai.)

Xiaomi Phones Ke Liye:

fastboot oem unlock-go

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📍 Bootloader Wapas Lock Karna

fastboot oem lock

✔ Phone ko stock condition me wapas lane ke liye bootloader lock karna zaroori hai.

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📍 Fastboot Mode Se Normal Mode Me Wapas Jana

fastboot reboot

✔ Ye command device ko normal Android mode me restart karti hai.

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📍 Recovery Mode Boot Karna

fastboot reboot recovery

✔ Ye command custom ya stock recovery mode ko boot karti hai.

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📍 Custom Recovery Flash Karna (TWRP, OrangeFox)

fastboot flash recovery recovery.img

✔ Recovery file ka naam apni recovery file ke naam se change karein. Phir, fastboot reboot recovery command se recovery mode me boot karein.

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📍 Stock Firmware Flash Karna (System, Boot, Recovery)

fastboot flash system system.img
fastboot flash boot boot.img
fastboot flash recovery recovery.img
        

✔ Ye commands Android ke different partitions flash karne ke liye use hoti hain.

Agar full firmware flash karna ho to:

fastboot -w update firmware.zip

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📍 FRP Lock Remove Karna (Factory Reset Protection Bypass)

fastboot erase config
fastboot erase frp
        

✔ Ye commands FRP remove karne ke liye use hoti hain, lekin har phone pe work nahi karti.

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📍 Factory Reset (Format User Data & Cache)

fastboot format userdata
fastboot format cache
        

✔ Ye commands phone ko factory reset karne ke liye use hoti hain.

• ⚠ Bootloader unlock karne se phone ka data delete ho jata hai.
• ⚠ Flashing commands execute karne se pehle backup zaroor banayein.
• ⚠ Kuch phones me bootloader unlock karne ke liye official permission chahiye hoti hai.
• ⚠ FRP remove commands har phone pe work nahi karti.

Agar aap kisi specific practical ka tutorial chahte hain, to please bataiye!

1. Q1: Fastboot Mode ka primary purpose kya hai?
   A: Bootloader unlock, flashing, partition management, aur system-level modifications.
2. Q2: Physical buttons se Fastboot Mode enter karne ke liye kaun se buttons use hote hain?
   A: Volume Down aur Power Button ko ek saath 5-10 seconds tak press karna.
3. Q3: ADB command se Fastboot Mode me enter karne ka command kya hai?
   A: adb reboot bootloader.
4. Q4: Fastboot Mode se normal mode me wapas aane ke liye command kya hai?
   A: fastboot reboot.
5. Q5: Stock firmware flash karne ke liye fastboot command kaun si hai?
   A: fastboot -w update firmware.zip.

1. Q1: Fastboot Mode se connected devices check karne ke liye command fastboot ______ use hoti hai.
   Jawab: devices
2. Q2: Bootloader unlock karne ke liye command fastboot oem ______ hai.
   Jawab: unlock
3. Q3: Fastboot Mode me recovery boot karne ke liye command fastboot reboot ______ use hoti hai.
   Jawab: recovery
4. Q4: Custom recovery flash karne ke liye command fastboot flash recovery ______ hai.
   Jawab: recovery.img
5. Q5: Partition format command for user data is fastboot format ______.
   Jawab: userdata

1. Q1: Describe the two methods to enter Fastboot Mode on an Android device.
   A: One can use physical buttons by turning off the device and holding Volume Down + Power for 5-10 seconds, or use ADB by running adb reboot bootloader on a connected PC.
2. Q2: What is the purpose of the command fastboot devices?
   A: It checks and displays the connected devices in Fastboot Mode.
3. Q3: Why is it important to take a backup before executing flashing commands in Fastboot Mode?
   A: Because unlocking the bootloader and flashing can wipe all device data, so a backup prevents data loss.
4. Q4: Explain the difference between fastboot oem unlock and fastboot oem unlock-go.
   A: fastboot oem unlock is a generic command to unlock the bootloader, while fastboot oem unlock-go is specifically used for Xiaomi phones, often requiring official permission.
5. Q5: What does the command fastboot -w update firmware.zip accomplish?
   A: It flashes a complete stock ROM from a single zip file, wiping the user data in the process.

1. T/F 1: Fastboot Mode is used for bootloader unlock, flashing, and partition management.
   Jawab: True
2. T/F 2: Entering Fastboot Mode via physical buttons requires pressing Volume Up + Power.
   Jawab: False
3. T/F 3: The command fastboot oem unlock may cause a data wipe.
   Jawab: True
4. T/F 4: fastboot reboot recovery boots the device into recovery mode.
   Jawab: True
5. T/F 5: Taking a backup before flashing is optional in Fastboot Mode.
   Jawab: False