Remove the loudspeaker assembly with an antenna.
ⓘ This speaker installs on a large number of these manufacturer models, and it is quite simple to change. To replace the speaker, you need to gently heat the surface to soften the glue base and a new one - be sure to glue it! Otherwise, when playing sounds and music, the speaker will rattle and make extraneous sounds.
⚠️ When reassembling, be sure to check that the spring contacts on the board and the contact pads on the unit match and touch, otherwise the GSM signal may be lost, or the signal may be very weak.