Peace be upon you. According to Grand Ayatollah Sayyid Khamenei (may Allah protect him), there is no objection to electronic istikhara according to the usual methods. Source: Special Inquiry. On the other hand, Grand Ayatollah Sayyid Sistani (may Allah protect him) states that it is not considered valid. Source: Short Messages for Religious Inquiries - Qom Office. May you be successful in all good.