3g to 4g how to upgrade

[hi50]

Sony Xperia c3 dual

[Uliwooly]

Only 3G 

[hmbli]

dial *#*#7378423#*#* >service setting > network mode...

[alfa123]

Softwaer update 3g to 4g

[Suhas93]

My mobile sony xperia c3 dual 3g to 4g upgrade 

Ya new software c3 mobile pls

[Rp6]

3g to 4g

[Uliwooly]

@Rp6 @Madhusamarla @Jaipalnaik  

what exactly are you asking? which xperia do you have? android version? build number? carrier network? country?

[Jaipalnaik]

Covert the 4g

[Madhusamarla]

How can I convert c3 dual 2502 to 4g

[Premkh]

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@hi50 wrote:
Sony Xperia c3 dual

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3g to 4g how to upgrade