My baby start her first step at 10m 20d . After two times trying she stop practise for few days . From my observation , she able to walk already during 10m but not confident enough to walk without holding something . After that , for few days she keep forcing me to walk with her around the house . Now she able to walk up to 10 steps by herself (11m 14d . Observe him to know what the problem . Try to hold his hand and walk with him to increase his excitement in walking