i have a oppo neo 7 (android 5.1) that doesn't want to go to recovery mode. when i tried to go to recovery mode, it just goes back to normal restart. So i tried using adb, so i used fast boot mode, but it failed it says : wiping userdata... Creating filesystem with parameters: Size: 838860800 Block size: 4096 Blocks per group: 32768 Inodes per group: 7328 Inode size: 256 Journal blocks: 3200 Label: Blocks: 204800 Block groups: 7 Reserved block group size: 55 Created filesystem with 11/51296 inodes and 6651/204800 blocks target reported max download size of 134217728 bytes wiping cache... Creating filesystem with parameters: Size: 167772160 Block size: 4096 Blocks per group: 32768 Inodes per group: 5120 Inode size: 256 Journal blocks: 1024 Label: Blocks: 40960 Block groups: 2 Reserved block group size: 15 Created filesystem with 11/10240 inodes and 1705/40960 blocks erasing 'userdata'... FAILED (remote: unknown command) finished. total time: 0.002s
One easy way to get to the recovery mode would be to press and hold all the buttons on your device. That would take it into recovery mode. Using adb you can get to the recovery mode by the below command.
adb reboot recovery