The bottom module is secured by a single screw

please remove the antenna connector as shown in the second picture

To remove this module use a prying tool under the edges of the module to gently jiggle it until you can lift it

The module is held in place by glue, you need to move it a little until the adhesive loosens and NOT to simply try to lift it

Remember not to place your tweezer or prying tool under any electronic component, use parts of the pcb that look flat, please prefer plastic tools to metal ones