Device locking was prohibited by the FCC for Block C (700 MHz): > (e)Handset locking prohibited. No licensee may disable features on handsets it provides to cu

Device locking was prohibited by the FCC for Block C (700 MHz): > (e)Handset locking prohibited. No licensee may disable features on handsets it provides to customers, to the extent such features are compliant with the licensee's standards pursuant to paragraph (b)of this section, nor configure handsets it provides to prohibit use of such handsets on other providers' networks. https://www.law.cornell.edu/cfr/text/47/27.16 https://www.law.cornell.edu/cfr/text/47/27.16