Below are the steps for replacing a broken screen on a Samsung A03, using modern smartphone repair toolkit.
1. Power off the Samsung A03 and remove the SIM card tray.
2. Using a plastic opening tool, gently pry the back cover off the phone to access the internal components.
3. Locate the screen assembly, which is the large component that occupies the front of the phone.
4. Carefully disconnect the battery and all other connectors attached to the screen assembly.
5. Remove the screws that hold the screen assembly in place, using a Phillips head screwdriver.
6. Carefully lift the screen assembly out of the phone to begin the Samsung A03 screen replacement process.
7. Peel off the adhesive that holds the old screen in place and lift it off the frame.
8. Remove the adhesive from the new screen and attach it to the frame, taking care not to damage the delicate components.
9. Align the new screen with the frame and press down firmly to ensure a secure fit.
10. Reassemble the phone in reverse order, being careful not to damage any of the internal components during the Samsung A03 repair process.
Please note that this is a general guide and the specific steps may vary slightly depending on your particular phone model. If you are unsure about any of the steps or do not feel comfortable performing the repair, it is recommended that you seek the help of a professional repair technician for your Samsung A03 screen repair needs.