there is still no need anymore at all to further upgrade from 4g to 5g in any case. the fact that my own company is having technology which addresses network dependent technologies 5g for that matter concerned here. it is also to be duely noted that telecom is truely and fully dependent over frequency , spectrum, signal related many issues thereof in order to generate frequency/signal . the technolgy from my own company addresses these traditional 4g,3g,2g,5g etc. related issues permanently and also provides scalable performance . for more details contact us over sudhanshu.deshmukh1974@gmail.com for further discussion and implementation.