 NEW YORK, Aug. 3, 2021 PRNewswire -- iQSTEL, Inc. OTCQB: IQST today announced an upward revision of the companys estimated year-to-date YTD revenue for the first six months of 2021 ending June 30 th from the previously announced 29.7 million to 30.3 million. The company expects to publish the final financial report for the period ending June 30, 2021 later this month on form 10-Q. 