Start physiotherapy ,
In cervical spondylosis degerative changes occur or in simple language aging process start due to wrong posture or due to malignment.whatever bone changes have happened we can do anything for that but we can make your muscles stronger to give bones better support by doing some excersice.
Physio will start neck and scapular exercise ,some alignment correction with manual therapy, to reduce your pain pain electrotherapy might be given as per choice of Therapist.
Next Steps
Use a good Pillow thin and firm.
Maintain good posture.
Health Tips
Dont over use phone.
Do some relaxation excersice to maintain relaxed muscles