hecatae
16th April 2012, 01:02 PM
If you have recently acquired a Nokia Lumia device, you may be surprised to find out that Nokia has not locked down the bootloader, giving full NAND read/write access!
To check:
Turn off your phone
Hold down Volume Up and Power
Connect your phone to your computer with the USB cable, you will hear a short vibration
Keep holding those buttons
Check your computer and see what device is detected. You can find this in Devices and Printers on Windows, in the Device Manager, or just check what device it is trying to install drivers for. If you're on Linux, run lsusb.
On Windows:
if you see NOKIA DLOAD, you have a locked bootloader.
but if you see Qualcomm MMC Storage USB Device you have an unlocked bootloader!
On Linux, using lsusb:
if you get Qualcomm, Inc your bootloader is unlocked.
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
scsi 2:0:0:0: Direct-Access Qualcomm MMC Storage 2.31 PQ: 0 ANSI: 2
sd 2:0:0:0: Attached scsi generic sg2 type 0
sd 2:0:0:0: [sdb] 31047680 512-byte logical blocks: (15.8 GB/14.8 GiB)
sd 2:0:0:0: [sdb] Write Protect is off
sd 2:0:0:0: [sdb] Mode Sense: 0f 0e 00 00
sd 2:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sdb: sdb1 sdb2 sdb3 sdb4
sdb: p9 size 30632075 extends beyond EOD, enabling native capacity
To check:
Turn off your phone
Hold down Volume Up and Power
Connect your phone to your computer with the USB cable, you will hear a short vibration
Keep holding those buttons
Check your computer and see what device is detected. You can find this in Devices and Printers on Windows, in the Device Manager, or just check what device it is trying to install drivers for. If you're on Linux, run lsusb.
On Windows:
if you see NOKIA DLOAD, you have a locked bootloader.
but if you see Qualcomm MMC Storage USB Device you have an unlocked bootloader!
On Linux, using lsusb:
if you get Qualcomm, Inc your bootloader is unlocked.
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
scsi 2:0:0:0: Direct-Access Qualcomm MMC Storage 2.31 PQ: 0 ANSI: 2
sd 2:0:0:0: Attached scsi generic sg2 type 0
sd 2:0:0:0: [sdb] 31047680 512-byte logical blocks: (15.8 GB/14.8 GiB)
sd 2:0:0:0: [sdb] Write Protect is off
sd 2:0:0:0: [sdb] Mode Sense: 0f 0e 00 00
sd 2:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
sdb: sdb1 sdb2 sdb3 sdb4
sdb: p9 size 30632075 extends beyond EOD, enabling native capacity