International Data Corporation has forecast that global smartphone sales would cool this year before heating up with help from new 5G networks and India’s vibrant market.
Japan Today

HINTS
S International Data Corporation
V [has forecast]
O that

International Data Corporation は予想している

S global smartphone sales
V [would cool]
this year

今年のスマートフォンの売り上げは冷めるだろう

補足
[before] heating up 熱気を帯びる前に
[with] help 助けの
[from] new 5G networks [and] India’s vibrant market.
活気あるインド市場と新しい5Gネットワークの