Nexus 5 Stuck On 'Formatting /Data' After Factory Image Flashing

[dmuml10]

Hi
I have Nexus 5 (Hammerhead) 16GB. After Marshmallow latest update my phone begun to restart randomly, So I tried to do factory reset. When I entered recovery mode It did not show android lying on its back with label "No command" , instead It showed standing android with some rotating cube (or gear) on its tummy. I tried to flash factory image in several ways, using nexus root toolkit and fastboot. I even tried different versions of android to flash but no result. My phone still shows Android with rotating gear on its tummy. Today I found this Thread and did everything that was told but no luck. :crying: If anyone could help I would be very grateful. Sorry for my bad English.

 

[exninja]

What is "everything that was told"? Did you erase everything then flash everything new? How long are you letting it sit with the rotating cube/gear thing?

 

[dmuml10]

What is "everything that was told"? Did you erase everything then flash everything new? How long are you letting it sit with the rotating cube/gear thing?

thank you for your reply.

I used this commands as it was described
fastboot erase boot
fastboot erase cache
fastboot erase recovery
fastboot erase system
fastboot flash bootloader "name of bootloader"
fastboot reboot-bootloader
fastboot flash radio "name of radio"
fastboot reboot-bootloader
astboot flash system system.img
fastboot flash boot boot.img
fastboot flash recovery recovery.img
fastboot flash cache cache.img

every operation was successful.
I waited for this rotating gear more than 10 hours, nothing changed Still shows same
When I click power button + up volume key It says "Formatting /data"

 

[audit13]

Did you erase and reflash userdata img file?

 

[dmuml10]

Did you erase and reflash userdata img file?

yes I did that, but still shows Android with rotating gears.

It does not matter whether I start my phone normally or boot a recovery mode It still shows this Android animation.

 

[audit13]

Does the phone's bootloader remain unlocked after rebooting?