To cancel Assistant conditional call forwarding, just follow the below-mentioned steps: 
1. Go to your phone dialer
2. Dial the disable code associated to your carrier
3. Press the green dial button
| Country | Carrier Name | Disable Code | Alternative Codes | 
| India | |||
| Airtel | ##21#  | ||
| Jio | *413 | ||
| Vi | ##002#  | ||
| BSNL | ##002#  | ||
| USA | |||
| AT&T | ##004# | ##67#  | |
| T-Mobile | ##004# | ##67# ##62# ##61# ##21#  | |
| Verizon | *73 | ||
| Cricket | *730 | ||
| US Cellular | *73 | ||
| Simple Mobile | #67# | ||
| Metro PCS | *38 | ||
| Straight Talk | #67# | ||
| Consumer Cellular - CC | #67# | ||
| Visible | *73 | ||
| Xfinity Mobile | *73 | ||
| Boost Mobile | *740 | ||
| Total wireless | *73 | ||
| Spectrum Mobile | *73 | ||
| Freedom Mobile | #67# | ||
| Canada | |||
| Telus | #67# | ||
| Bell Mobility | *91 | ||
| Fido | ##67#  | ||
| Rogers | #67# | ||
| Koodo | #67# | ||
| Australia | |||
| Optus | #67# | ||
| Telstra | #67# | ||
| Vodafone | #67# | ||
| Chile  | |||
| Movistar | ##67# | ##61# | |
| Claro | ##67# | ##61# | |
| Entel | ##67# | ##61# | |
| South Africa | |||
| MTN | #67# | #62# #61#  | |
| Sweden | |||
| Hi3G/Tre | ##67# | ##61# | |
| Tele2 | ##67# | ##61# ##62#  | |
| Israel | |||
| Cellcom | ##67# | ||
| Pelephone | ##67# | ||
| Wecom | ##67# | ||
| Partner | ##67# |