Over 50% of Bitcoin's hashrate now supports the "uncontroversial" upgrade.
After moving machines out of Sichuan, miners are bringing ASICs back online.
Analysts and mining pools say selling pressure from mining wallets hasn't contributed to recent corrections in bitcoin's price.
A court in China has denied an appeal by bitcoin mining giant Bitmain seeking $30 million in damages from the three co-founders of mining pool rival Poolin.
Poolin, the second biggest bitcoin mining pool by total network power, is expanding its crypto lending and financial services businesses.