Since you have waited for six months, you might as well wait for another couple of weeks. But if the EiC is unable to give you a decision within that time, it would be better to withdraw your paper and submit it to a rapid publication journal in your field.
This article will guide you on the withdrawal process:
It is difficult to recommend a journal that will be suitable for your paper. However, this article provides a list of journals from various fields that offer rapid publication. The list might help you identify a suitable journal from your field.
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