[color=#990000][/color][font=Lucida Sans Unicode][/font][b][/b][b][/b]please instead of rooting your phone,try this "Go to your phone's message app,enter settings,click on service center you will see some figures there, Now add any random four (4) digit number you won't forget then save.do it for both sims,now your phone won't be able to send SMS but you can still receive SMS.
whenever you want to send a message,go back to the settings, remove the numbers you added for the simple you want to use,after sending your message add the numbers back.

speaking from experience.
it worked for my gionee s10 lite after many ideas failed.
you won't regret it please instead of rooting your phone,try this "Go to your phone's message app,enter settings,click on service center you will see some figures there, Now add any random four (4) digit number you won't forget then save.do it for both sims,now your phone won't be able to send SMS but you can still receive SMS.
whenever you want to send a message,go back to the settings, remove the numbers you added for the simple you want to use,after sending your message add the numbers back.

speaking from experience.
it worked for my gionee s10 lite after many ideas failed.
you won't regret it

please instead of rooting your phone,try this "Go to your phone's message app,enter settings,click on service center you will see some figures there, Now add any random four (4) digit number you won't forget then save.do it for both sims,now your phone won't be able to send SMS but you can still receive SMS.
whenever you want to send a message,go back to the settings, remove the numbers you added for the simple you want to use,after sending your message add the numbers back.

speaking from experience.
it worked for my gionee s10 lite after many ideas failed.
you won't regret it