ADR doesn't work (915 MHz Band - ABP)

Well thank you, so how should I proceed? Since even waiting for more than 64 uplinks the adr does not turn on and continues to send with SF10 / BW125.
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Even with the ADR bit on:
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Should I make any particular configuration on my end device to be up ADR with TTN?

Should I turn on the ACK bit in the transmission?
LMIC_setTxData2(1, lpp.getBuffer(), lpp.getSize(), 0)